Duncan, J. S., Johnson, N. C., & Schein, R. H. (2008). A Companion to cultural geography. Blackwell Pub.
Cita Chicago (17th ed.)Duncan, James S., Nuala Christina Johnson, i Richard H. Schein. A Companion to Cultural Geography. Malden, Mass: Blackwell Pub, 2008.
Cita MLA (9th ed.)Duncan, James S., et al. A Companion to Cultural Geography. Blackwell Pub, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.