Citação norma APA

Hayward, W. S. (1926). Sales administration; a study of the manufacturer's marketing problems. Harper & brothers.

Citação norma Chicago

Hayward, Walter Sumner. Sales Administration; a Study of the Manufacturer's Marketing Problems. New York: Harper & brothers, 1926.

Citação norma MLA

Hayward, Walter Sumner. Sales Administration; a Study of the Manufacturer's Marketing Problems. Harper & brothers, 1926.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.