Cita APA

Whitehead, G., & Whitehead, D. H. . .. (1992). Pitman business correspondence. Wheeler Publisher.

Citación estilo Chicago

Whitehead, Geoffrey, y David H. Whitehead. Pitman Business Correspondence. New Delhi: Wheeler Publisher, 1992.

Cita MLA

Whitehead, Geoffrey, y David H. Whitehead. Pitman Business Correspondence. Wheeler Publisher, 1992.