Gaya APA

Swanson, C, P., Torsten, I, H. (1985). International encyclopedia of education research and studies vol. ì 7 P-R . Oxford: Oxford: Pergamon; 1985.

Gaya MLA

Swanson, Carl, P.., Torsten, I., Husen,. "International encyclopedia of education research and studies vol. ì 7 P-R". Oxford: Oxford: Pergamon; 1985, 1985. Text.