Παραπομπή σε μορφή APA (7η εκδ.)

Morton, R. L. (1937). Teaching arithmetic in elementary school. Silver Burdett company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Morton, Robert Lee. Teaching Arithmetic in Elementary School. New York, boston [etc.]: Silver Burdett company, 1937.

Παραπομπή σε μορφή MLA (9th εκδ.)

Morton, Robert Lee. Teaching Arithmetic in Elementary School. Silver Burdett company, 1937.