Cita APA (7a ed.)

WHITEHEAD GEOFFREY. (1982). PITMAN BUSINESS CORRESPONDENCE. PITMAN PUBLICATIONS.

Cita Chicago Style (17a ed.)

WHITEHEAD GEOFFREY. PITMAN BUSINESS CORRESPONDENCE. LONDON: PITMAN PUBLICATIONS, 1982.

Cita MLA (9a ed.)

WHITEHEAD GEOFFREY. PITMAN BUSINESS CORRESPONDENCE. PITMAN PUBLICATIONS, 1982.