Darlington, Philip J., author
John Wiley & Son, 1980
Buku Teks
Faishal Rezza Rizaldy, author
2019
UI - Skripsi (Membership)
Marz, Nathan, author
Manning, 2015
Buku Teks
Staats, Arthur W.
Holt, Rinehart and Winston, 1964
Buku Teks
Chen, Chris, author
McGraw-HIll , 2005
Buku Teks