Dyfyniad APA

Solórzano, h. S., & Schmidt, J. P. L. (1998). NorthStar: Focus on listening and speaking, intermediate. Longman.

Dyfyniad Arddull Chicago

Solórzano, helen S., and Jennifer P. L. Schmidt. NorthStar: Focus on Listening and Speaking, Intermediate. Nueva York: Longman, 1998.

Dyfyniad MLA

Solórzano, helen S., and Jennifer P. L. Schmidt. NorthStar: Focus on Listening and Speaking, Intermediate. Longman, 1998.

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