Sinclair, Joseph T., author
A Macom, 2000
Buku Teks
Deo Alverian Wijaya Waluyo, author
Fakultas Psikologi Universitas Indonesia, 2022
UI - Skripsi (Membership)
Clark, David, 1946-, author
Alpha Books, 1995
Buku Teks
by Dennis Nicholson [and others]
The British library , 1995
Buku Teks
Rosenfeld, Louis, author
Mansell ; Neal-Schuman Publishers, 1995
Buku Referensi