Dyfyniad APA

Swokowski, E. W., & Cole, J. A. (1998). Precalculus: Functions and graphs (9th ed.). Brooks, Cole Pub. Co.

Dyfyniad Arddull Chicago

Swokowski, Earl William, and Jeffery A. Cole. Precalculus: Functions and Graphs. 9th ed. Pacific Grove, CA: Brooks, Cole Pub. Co, 1998.

Dyfyniad MLA

Swokowski, Earl William, and Jeffery A. Cole. Precalculus: Functions and Graphs. 9th ed. Brooks, Cole Pub. Co, 1998.

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