Cita APA (7a ed.)

SPARKS DONALD B. (1982). DYNAMICS OF EFFECTIVE NEGOTIATION. GULF PUBLISHING CO.

Cita Chicago Style (17a ed.)

SPARKS DONALD B. DYNAMICS OF EFFECTIVE NEGOTIATION. LONDON: GULF PUBLISHING CO, 1982.

Cita MLA (9a ed.)

SPARKS DONALD B. DYNAMICS OF EFFECTIVE NEGOTIATION. GULF PUBLISHING CO, 1982.