Παραπομπή σε μορφή APA (7η εκδ.)

Winterbottom, J. M. (1965). A preliminary list of the birds of Hopetown District. Percy FitzPatrick Institute of African Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Winterbottom, J. M. A Preliminary List of the Birds of Hopetown District. [Rondebosch, C.P. South Africa]: Percy FitzPatrick Institute of African Ornithology, 1965.

Παραπομπή σε μορφή MLA (8th εκδ.)

Winterbottom, J. M. A Preliminary List of the Birds of Hopetown District. Percy FitzPatrick Institute of African Ornithology, 1965.