Cita APA (7th ed.)

Wheldon, H. J. (1968). Wheldon's business statistics and: Statistical methods (6th ed.). Macdonald.

Cita Chicago (17th ed.)

Wheldon, H. J. Wheldon's Business Statistics and: Statistical Methods. 6th ed. London: Macdonald, 1968.

Cita MLA (9th ed.)

Wheldon, H. J. Wheldon's Business Statistics and: Statistical Methods. 6th ed. Macdonald, 1968.