Lawson, W. J. (1971). Checklist of the birds of Durban. Percy Fitzpatrick Institute of African Ornithology.
Chicagoスタイル(17版)引用形式Lawson, Walter James. Checklist of the Birds of Durban. [Cape Town]: Percy Fitzpatrick Institute of African Ornithology, 1971.
MLA(8版)引用形式Lawson, Walter James. Checklist of the Birds of Durban. Percy Fitzpatrick Institute of African Ornithology, 1971.
警告: この引用は必ずしも正確ではありません.