Gaya APA
Telford., J, M, S, ;, C, W. (1968).
Educational Psychology: phychological foundations of education (ed. 3).
Boston:
allyn and bacon.
Gaya MLA
Telford., James, M., Sawrey, ;, Charles, W..
"Educational Psychology: phychological foundations of education".
ed. 3
Boston:
allyn and bacon,
1968.
Text.