Gaya APA
Swanson, C, P., Moore, K, L. (1989).
Before we are born basic embryology and birth defects .
Tokyo:
Tokyo: W.B. Saundres; 1989.
Gaya MLA
Swanson, Carl, P.., Moore, Keith, L.
"Before we are born basic embryology and birth defects".
Tokyo:
Tokyo: W.B. Saundres; 1989,
1989.
Text.