Dyfyniad APA

Childress, R. L. (1972). Calculus for business and economics. Prentice-Hall.

Dyfyniad Arddull Chicago

Childress, Robert L. Calculus for Business and Economics. Englewood Cliffs, N.J: Prentice-Hall, 1972.

Dyfyniad MLA

Childress, Robert L. Calculus for Business and Economics. Prentice-Hall, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.