Mayeroff, Milton
Gramedia Pustaka Utama, 1993
Buku Teks
Robinson, David
Gramedia Pustaka Utama, 1996
Buku Teks
Brennan, Lynne, author
Platkus, 1991
Buku Teks
Loeb, Robert H.
Association Press, 1970
Buku Teks
Grant-Sokolosky, Valerie
Dabara Bengawan, 1991
Buku Teks