Gaya APA

Swanson, C, P., C., I, A, M. (NULL). Encyclopedia of educational research volume 2 . New: New York: Macmillan; 1992.

Gaya MLA

Swanson, Carl, P.., C., I., Alkin,, Marvin. "Encyclopedia of educational research volume 2". New: New York: Macmillan; 1992, NULL. Text.