Gaya APA
MATHEWS, W, W., SCHOENWOLF, G, C. (1998).
Atlas of descriptive embryology (5th. ed.).
New Jersey:
Prentice-Hall.
Gaya MLA
MATHEWS, Willis, W.., SCHOENWOLF, Gary, C.
"Atlas of descriptive embryology".
5th. ed.
New Jersey:
Prentice-Hall,
1998.
Buku.