APA

(1988). Kertas latarbelakang persidangan pembangunan berterusan sempena sambutan hari alam sekitar sedunia 1988 20 Ogos 1988, Bangunan Komtar Pulau Pinang: Malaysia's first response to united nations environment programme's report on environmental perpective to the year 2000 and beyond. Kuala Lumpur: Department of Environment.

Chicago

1988. Kertas latarbelakang persidangan pembangunan berterusan sempena sambutan hari alam sekitar sedunia 1988 20 Ogos 1988, Bangunan Komtar Pulau Pinang: Malaysia's first response to united nations environment programme's report on environmental perpective to the year 2000 and beyond. Kuala Lumpur: Department of Environment.

Harvard

(1988). Kertas latarbelakang persidangan pembangunan berterusan sempena sambutan hari alam sekitar sedunia 1988 20 Ogos 1988, Bangunan Komtar Pulau Pinang: Malaysia's first response to united nations environment programme's report on environmental perpective to the year 2000 and beyond. Kuala Lumpur: Department of Environment.

MLA

Kertas latarbelakang persidangan pembangunan berterusan sempena sambutan hari alam sekitar sedunia 1988 20 Ogos 1988, Bangunan Komtar Pulau Pinang: Malaysia's first response to united nations environment programme's report on environmental perpective to the year 2000 and beyond. Kuala Lumpur: Department of Environment. 1988.