Archer, J., & Dalton, T. H. (1970). Field work in geography (2nd ed.). Batsford.
Chicago-čujuhus (17. p.)Archer, J.E, juo T. H. Dalton. Field Work in Geography. 2nd ed. London: Batsford, 1970.
MLA-čujuhus (9. p.)Archer, J.E, juo T. H. Dalton. Field Work in Geography. 2nd ed. Batsford, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.