Παραπομπή σε μορφή APA (7η εκδ.)

(1940). As canções de António Botto. Tip. Henrique Torres.

Παραπομπή σε μορφή Chicago (17η εκδ.)

As Canções De António Botto. Tip. Henrique Torres, 1940.

Παραπομπή σε μορφή MLA (8th εκδ.)

As Canções De António Botto. Tip. Henrique Torres, 1940.