Gaya APA

Swanson, C, P., [et.al], I, P, E, L. (1983). Secretarial procedures and administration . Illinois: Illinois: South-Western; 1983.

Gaya MLA

Swanson, Carl, P.., [et.al], I., Popham,, Estelle, L.. "Secretarial procedures and administration". Illinois: Illinois: South-Western; 1983, 1983. Text.