Skead, C. J. (1965). Birds of the Albany (Grahamstown) District. Percy FitzPatrick Institute of African Ornithology.
Čikaški stil citiranja (17. izdanje)Skead, C. J. Birds of the Albany (Grahamstown) District. [Rondebosch, C.P., South Africa]: Percy FitzPatrick Institute of African Ornithology, 1965.
MLA način citiranja (8. izdanje)Skead, C. J. Birds of the Albany (Grahamstown) District. Percy FitzPatrick Institute of African Ornithology, 1965.
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