Cita APA (7th ed.)

Huffman, H. (1975). Programmed business mathematics (3rd ed.). Gregg and Community College Division/ McGraw-Hill.

Cita Chicago (17th ed.)

Huffman, Harry. Programmed Business Mathematics. 3rd ed. New York: Gregg and Community College Division/ McGraw-Hill, 1975.

Cita MLA (8th ed.)

Huffman, Harry. Programmed Business Mathematics. 3rd ed. Gregg and Community College Division/ McGraw-Hill, 1975.