Klimm, L. E., & Klimm, L. E. .. .. . . . a. ]. (1965). Introductory economic geography (3rd ed.). Harcourt, Brace & World.
Cita Chicago (17th ed.)Klimm, Lester E., i Lester E . .....[et al ] Klimm. Introductory Economic Geography. 3rd ed. New york: Harcourt, Brace & World, 1965.
Cita MLA (9th ed.)Klimm, Lester E., i Lester E . .....[et al ] Klimm. Introductory Economic Geography. 3rd ed. Harcourt, Brace & World, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.