Gaya APA

HERGENHAHN, B., OLSON, J, C. (1997). An introduction to theories of learning (5 th. ed). New Jersey: Prentice-Hall International.

Gaya MLA

HERGENHAHN, B.R.., OLSON, Jerry, C.. "An introduction to theories of learning". 5 th. ed New Jersey: Prentice-Hall International, 1997. Buku.