Cita APA

Beckman, T. N. n. 1., & Beckman, T. N. n. 1. (1939). Credits and collection in theory and practice (4. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Beckman, Theodore N. n. 1894, y Theodore N. n. 1894 Beckman. Credits and Collection in Theory and Practice. 4. edition. New York, New York: McGraw-Hill, 1939.

Cita MLA

Beckman, Theodore N. n. 1894, y Theodore N. n. 1894 Beckman. Credits and Collection in Theory and Practice. 4. edition. New York, New York: McGraw-Hill, 1939.