Παραπομπή σε μορφή APA (7η εκδ.)

Guiler, W. S. (1939). Senior spelling: Constructive and remedial a plan for individualizing study. Harrison and Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Guiler, Walter Scribner. Senior Spelling: Constructive and Remedial a Plan for Individualizing Study. Columbus, Ohio: Harrison and Company, 1939.

Παραπομπή σε μορφή MLA (8th εκδ.)

Guiler, Walter Scribner. Senior Spelling: Constructive and Remedial a Plan for Individualizing Study. Harrison and Company, 1939.