Gaya APA

all, A, R, L, E. (1989). Teratology "The International Journal of Abnormal Development" Vol 39 No 2 Februari 1989 . Philadelphia: Wistar Institute Press.

Gaya MLA

all, Alan, R, Liss, Et. "Teratology "The International Journal of Abnormal Development" Vol 39 No 2 Februari 1989". Philadelphia: Wistar Institute Press, 1989. .