Robinson, H. (1978). Biogeography. Macdonald and Evans Ltd.
Chicago-čujuhus (17. p.)Robinson, H. Biogeography. Estover, Plymouth: Macdonald and Evans Ltd, 1978.
MLA-čujuhus (9. p.)Robinson, H. Biogeography. Macdonald and Evans Ltd, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.