Cita APA (7th ed.)

Goff, G. K., & Berg, M. E. (1968). Basic mathematics: A programmed introduction. Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Goff, Gerald K., i Milton Edward Berg. Basic Mathematics: A Programmed Introduction. New York: Appleton-Century-Crofts, 1968.

Cita MLA (9th ed.)

Goff, Gerald K., i Milton Edward Berg. Basic Mathematics: A Programmed Introduction. Appleton-Century-Crofts, 1968.