Gaya APA

Kearns, R, A, B, ;, T, J. (1990). Intermediate Algebra: structure and use (ed. 4). USA: McGraw-Hill.

Gaya MLA

Kearns, Raymond, A., Barnett, ;, Thomas, J.. "Intermediate Algebra: structure and use". ed. 4 USA: McGraw-Hill, 1990. Text.