Gaya APA

Mitzel, H, F. (1982). ENCYCLOPEDIA EDUCATIONAL RESEARCH edisi 1 - 4 . : The Free Press,Devicion of Macmllan Publishing Inc.

Gaya MLA

Mitzel, Harold, F.. "ENCYCLOPEDIA EDUCATIONAL RESEARCH edisi 1 - 4". : The Free Press,Devicion of Macmllan Publishing Inc, 1982. Text.