Anastasia Patricia Mendrofa, author
Fakultas Psikologi Universitas ndonesia, 2023
UI - Skripsi (Membership)
Osbourn, Derek
Mitchell's, 1989
Buku Teks
Myatt, L.J.
Pergamon Press, 1968
Buku Teks
Batubara, John E., author
1987
UI - Disertasi (Membership)
Charles A. Harper, editor-in-chief
McGraw-Hill, 1977
Buku Referensi