Greater San Diego Business Association. (1987). 1987-88 Register, business & professional services in San Diego (13. Auflage.). Greater San Diego Business.
Citação do estilo Chicago (17ª ed.)Greater San Diego Business Association. 1987-88 Register, Business & Professional Services in San Diego. 13. Auflage. San Diego: Greater San Diego Business, 1987.
Citação MLA (8ª ed.)Greater San Diego Business Association. 1987-88 Register, Business & Professional Services in San Diego. 13. Auflage. Greater San Diego Business, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.