Παραπομπή σε μορφή APA (7η εκδ.)

Kilpatrick, W. H. (1926). The project method: The use of the purposeful act in the educative process. Teachers college, Columbia university.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kilpatrick, William Heard. The Project Method: The Use of the Purposeful Act in the Educative Process. New York city: Teachers college, Columbia university, 1926.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kilpatrick, William Heard. The Project Method: The Use of the Purposeful Act in the Educative Process. Teachers college, Columbia university, 1926.