Gaya APA

Journal Of Educational Psychology Vol.89 No 2 - No 4, Dec 97. (1997). USA: APA.

Gaya Chicago

Journal Of Educational Psychology Vol.89 No 2 - No 4, Dec 97. . USA: APA, 1997. .

Gaya MLA

Journal Of Educational Psychology Vol.89 No 2 - No 4, Dec 97. . USA: APA, 1997. .

Gaya Turabian

Journal Of Educational Psychology Vol.89 No 2 - No 4, Dec 97. USA: APA, 1997. .