Perpillou, A. V. (1966). Human geography. Longmans.
Chicago-čujuhus (17. p.)Perpillou, Aimé Vincent. Human Geography. Gran Bretaña: Longmans, 1966.
MLA-čujuhus (9. p.)Perpillou, Aimé Vincent. Human Geography. Longmans, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.