Παραπομπή σε μορφή APA (7η εκδ.)

(1971). The Use of modules in college biology teaching. Edited by Joan G. Creager and Darrel L. Murray.

Παραπομπή σε μορφή Chicago (17η εκδ.)

The Use of Modules in College Biology Teaching. Edited by Joan G. Creager and Darrel L. Murray. 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

The Use of Modules in College Biology Teaching. Edited by Joan G. Creager and Darrel L. Murray. 1971.