APA-čujuhus (7. p.)

Walker, M. Addison-Wesley ESL: Student Book B (1a. ed.). Addison-Wesley.

Chicago-čujuhus (17. p.)

Walker, Michael. Addison-Wesley ESL: Student Book B. 1a. ed. New York: Addison-Wesley.

MLA-čujuhus (9. p.)

Walker, Michael. Addison-Wesley ESL: Student Book B. 1a. ed. Addison-Wesley.

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