Παραπομπή σε μορφή APA (7η εκδ.)

Winterbottom, J. M. (1966). A list of the birds of the Ceres District. Percy FitzPatrick Institute of African Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Winterbottom, J. M. A List of the Birds of the Ceres District. [Rondebosch, C.P., South Africa]: Percy FitzPatrick Institute of African Ornithology, 1966.

Παραπομπή σε μορφή MLA (8th εκδ.)

Winterbottom, J. M. A List of the Birds of the Ceres District. Percy FitzPatrick Institute of African Ornithology, 1966.