APA aipamena

Fitzhugh, K., & Fitzhugh, L. (1968). The Fitzhugh PLUS program. Allied Education Council.

Chicago Style aipamena

Fitzhugh, Kathleen, and Loren Fitzhugh. The Fitzhugh PLUS Program. Galien, Mich.: Allied Education Council, 1968.

MLA aipamena

Fitzhugh, Kathleen, and Loren Fitzhugh. The Fitzhugh PLUS Program. Allied Education Council, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.