APA-čujuhus (7. p.)

Vanspanckeren, K. (1981). American Literature. United States Department of State.

Chicago-čujuhus (17. p.)

Vanspanckeren, Kathryn. American Literature. United States Department of State, 1981.

MLA-čujuhus (9. p.)

Vanspanckeren, Kathryn. American Literature. United States Department of State, 1981.

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