(1992). Golden Gate Business Association: GGBA ; Directory of Business and Professional Services.
Cita Chicago (17th ed.)Golden Gate Business Association: GGBA ; Directory of Business and Professional Services. San Francisco, 1992.
Cita MLA (8th ed.)Golden Gate Business Association: GGBA ; Directory of Business and Professional Services. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.