Gaya APA

Sobel, M, A., Lerner, N. (1986). Algebra for college students: an intermediate approach (3). Anglewood Cliffs: Prentice Hall.

Gaya MLA

Sobel, Max, A., Lerner, Norbert. "Algebra for college students: an intermediate approach". 3 Anglewood Cliffs: Prentice Hall, 1986. Text.