THEMES IN GEOGRAPHIC.., HARVEY, M. E. [., & HOLLY, B. P. [. (1981). Themes in geographic thought/editor Milton E. Harvey;Brian P. Holly. Croom Helm.
Chicago-viite (17. p.)THEMES IN GEOGRAPHIC.., Milton E. [ed] HARVEY, ja Brian P. [ed] HOLLY. Themes in Geographic Thought/editor Milton E. Harvey;Brian P. Holly. London: Croom Helm, 1981.
MLA-viite (9. p.)THEMES IN GEOGRAPHIC.., et al. Themes in Geographic Thought/editor Milton E. Harvey;Brian P. Holly. Croom Helm, 1981.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.