APA-referens (7:e uppl.)

Hay, I. (2016). Qualitative research methods in human geography (4th ed.). Oxford University Press.

Chicago-referens (17:e uppl.)

Hay, Iain. Qualitative Research Methods in Human Geography. 4th ed. Don Mills, Ontario: Oxford University Press, 2016.

MLA-referens (9:e uppl.)

Hay, Iain. Qualitative Research Methods in Human Geography. 4th ed. Oxford University Press, 2016.