Gaya APA
Berk, L, E.
(1989).
Child Development
(
xix, 691 hlm : ils)
.
USA:
Allyn and Bacon.
Gaya MLA
Berk, Laura, E..
"Child Development".
xix, 691 hlm : ils
USA:
Allyn and Bacon,
1989.
Buku PSI.