Deismireacht APA

Laffer II, W. B. (1968). Mathematics for general education. California: Dickenson Publishing company.

Trích dẫn kiểu Chicago

Laffer II, Walter B. Mathematics for General Education. California: Dickenson Publishing company, 1968.

Deismireacht MLA

Laffer II, Walter B. Mathematics for General Education. California: Dickenson Publishing company, 1968.

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