Gaya APA
LAUER, R, H., Lauer, J, C.
(2000).
Marriage and family :
(
4th ed.)
.
Boston:
McGraw-Hill.
Gaya MLA
LAUER, Robert, H.., Lauer, Jeanette, C.
"Marriage and family :".
4th ed.
Boston:
McGraw-Hill,
2000.
Buku.