Cita APA (7th ed.)

Flowerdew, R., & Martin, D. M. (1997). Methods in human geography: A guide for students doing research projects (1a. ed.). Longman.

Cita Chicago (17th ed.)

Flowerdew, Robin, i David M. Martin. Methods in Human Geography: A Guide for Students Doing Research Projects. 1a. ed. Essex: Longman, 1997.

Cita MLA (9th ed.)

Flowerdew, Robin, i David M. Martin. Methods in Human Geography: A Guide for Students Doing Research Projects. 1a. ed. Longman, 1997.