(1992). Golden Gate Business Association: GGBA ; Directory of Business and Professional Services.
Citazione stile Chigago Style (17a edizione)Golden Gate Business Association: GGBA ; Directory of Business and Professional Services. San Francisco, 1992.
Citatione MLA (8a ed.)Golden Gate Business Association: GGBA ; Directory of Business and Professional Services. 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.