Dyfyniad APA

Klimm, L. E., Starkey, O. P., & Hall, N. F. (1937). Introductory economic geography. Harcourt, Brace and company.

Dyfyniad Arddull Chicago

Klimm, Lester Earl, Otis Paul Starkey, and Norman Foster Hall. Introductory Economic Geography. New York: Harcourt, Brace and company, 1937.

Dyfyniad MLA

Klimm, Lester Earl, et al. Introductory Economic Geography. Harcourt, Brace and company, 1937.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.