Duval, Evelyn Millis
Harper & Row, 1985
Buku Teks
Bjorklund, David F.
Wadsworth and Cengage Learning, 2012
Buku Teks
Haryono Suyono
National Family Planning Coordination Board, 1995
Buku Teks
edited by Lisa J. Crockett, Ann C. Crouter
Lawrence Erlbaum Associates, 1995
Buku Teks
Duvall, Evelyn Ruth Millis
Lippincott, 1977
Buku Teks