APA Style

HEDDENS, James W., SPEER, William R.. (1997). Today's Mathematics Part 1: Concepts and Classroom Methods (9th ed.). NEW YORK: John Wiley & Sons Inc..

Chicago Style

HEDDENS, James W., SPEER, William R.. Today's Mathematics Part 1: Concepts and Classroom Methods. 9th ed. NEW YORK: John Wiley & Sons Inc., 1997. Teks Book.

MLA Style

HEDDENS, James W., SPEER, William R.. Today's Mathematics Part 1: Concepts and Classroom Methods. 9th ed. NEW YORK: John Wiley & Sons Inc., 1997. Teks Book.

Turabian Style

HEDDENS, James W., SPEER, William R.. Today's Mathematics Part 1: Concepts and Classroom Methods. 9th ed. NEW YORK: John Wiley & Sons Inc., 1997. Teks Book.