APA aipamena

Lieber, L. R. (1963). Mathematics; first S-T-E-P-S. Franklin Watts.

Chicago Style aipamena

Lieber, Lilian Rosanoff. Mathematics; First S-T-E-P-S. New York: Franklin Watts, 1963.

MLA aipamena

Lieber, Lilian Rosanoff. Mathematics; First S-T-E-P-S. Franklin Watts, 1963.