Dyfyniad APA

Steffensen, A. R. (1992). College algebra: A problem-solving approach (2nd.ed.). Harper Collins.

Dyfyniad Arddull Chicago

Steffensen, Arnold R. College Algebra: A Problem-solving Approach. 2nd.ed. New York: Harper Collins, 1992.

Dyfyniad MLA

Steffensen, Arnold R. College Algebra: A Problem-solving Approach. 2nd.ed. Harper Collins, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.