Cita APA (7th ed.)

DUNCAN, E. R. (1972). Modern school mathematics structure and use. Houghton Mifflin co.

Cita Chicago (17th ed.)

DUNCAN, Ernest R. Modern School Mathematics Structure and Use. Boston: Houghton Mifflin co, 1972.

Cita MLA (9th ed.)

DUNCAN, Ernest R. Modern School Mathematics Structure and Use. Houghton Mifflin co, 1972.