APA-čujuhus (7. p.)

Lagemann, R. T. (1969). Physical science; origin and principles (2nd ed.). Brown.

Chicago-čujuhus (17. p.)

Lagemann, Robert T. Physical Science; Origin and Principles. 2nd ed. Boston: Brown, 1969.

MLA-čujuhus (9. p.)

Lagemann, Robert T. Physical Science; Origin and Principles. 2nd ed. Brown, 1969.

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