Kathleen Agone ... [and others] ; penerjemah, Dini Adityarini
Gramedia, 1996
Buku Teks
Konner, Melvin, author
BBC Books, 1993
Buku Teks
Coe, Rodney M.
McGraw-Hill, 1970
Buku Teks
Ullmann, Manfred, author
Edinburgh University Press, 1978
Buku Teks
Agustina Tri Haryati, author
1995
UI - Skripsi (Membership)