Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1963). English Language Notes. University of Colorado, Department of English.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. English Language Notes. Boulder, Colo: University of Colorado, Department of English, 1963.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. English Language Notes. University of Colorado, Department of English, 1963.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.