Vriends M. M., . (1989). The new bird handbook: everything about housing, care, nutrition, breeding, and diseases. New York: Barron's Educational Series.
Chicago
Vriends Matthew M, . 1989. The new bird handbook: everything about housing, care, nutrition, breeding, and diseases. New York: Barron's Educational Series.
Harvard
Vriends M. M., . (1989). The new bird handbook: everything about housing, care, nutrition, breeding, and diseases. New York: Barron's Educational Series.
MLA
Vriends Matthew M, . The new bird handbook: everything about housing, care, nutrition, breeding, and diseases. New York: Barron's Educational Series. 1989.
