Gaya APA

Taylor, C, A, D, S, P, M, J, E, T, R. (1990). Heath Algebra 2: with Trigonometry . Lexington: D.C. Heath and Company.

Gaya MLA

Taylor, Clyde, A., Dilley,, Steven, P., Meiring,, John, E., Tarr,, Rass. "Heath Algebra 2: with Trigonometry". Lexington: D.C. Heath and Company, 1990. Text.