APA aipamena

School Mathematics Study Group & Syer, H. W. (1965). Mathematical systems. Leland Stanford Junior University.

Chicago Style aipamena

School Mathematics Study Group and Henry W. Syer. Mathematical Systems. Stanford, CA: Leland Stanford Junior University, 1965.

MLA aipamena

School Mathematics Study Group and Henry W. Syer. Mathematical Systems. Leland Stanford Junior University, 1965.