Gaya APA
BRECKENRIDGE, M, E., VINCENT, E, L.
(1966).
Child developmnet :
(
4th ed.)
.
Philadelphia:
W.B. Saunders.
Gaya MLA
BRECKENRIDGE, Marian, E.., VINCENT, E., Lee.
"Child developmnet :".
4th ed.
Philadelphia:
W.B. Saunders,
1966.
Buku.