HEINTZELMAN, O. H., & HIGHSMITH, R. M. (1967). World regional geography.-- Ed.3. Prentice-Hall.
Chicago-čujuhus (17. p.)HEINTZELMAN, Oliver H., juo Richard M. HIGHSMITH. World Regional Geography.-- Ed.3. New Jersey: Prentice-Hall, 1967.
MLA-čujuhus (9. p.)HEINTZELMAN, Oliver H., juo Richard M. HIGHSMITH. World Regional Geography.-- Ed.3. Prentice-Hall, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.