APA-čujuhus (7. p.)

Highsmith, R. M. (1963). Geography of Commodity production (2nd ed.). Oregon State univ..

Chicago-čujuhus (17. p.)

Highsmith, Richard M. Geography of Commodity Production. 2nd ed. Oregon: Oregon State univ., 1963.

MLA-čujuhus (9. p.)

Highsmith, Richard M. Geography of Commodity Production. 2nd ed. Oregon State univ., 1963.

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