Cita APA

Eckersley, C. E., & Kaufman, W. E. (1964). A Commercial Course for Foreign Students. Longman.

Citación estilo Chicago

Eckersley, C E., y W Elliott Kaufman. A Commercial Course for Foreign Students. London: Longman, 1964.

Cita MLA

Eckersley, C E., y W Elliott Kaufman. A Commercial Course for Foreign Students. Longman, 1964.