Gaya APA

Pryor, E., Goodman, I, K, M. (2000). Keep moving fitness through aerobics and step . California: California: Mayfield; 2000.

Gaya MLA

Pryor, Esther., Goodman, I., Kraines,, Mida. "Keep moving fitness through aerobics and step". California: California: Mayfield; 2000, 2000. Text.