Bernardo, G. A., Schumacher, J. N., & Versoza, N. P. (1974). Philippine retrospective national bibliography: 1523-1699. The National Library of the Philippines [and] Ateneo de Manila University Press.
Chicago-viite (17. p.)Bernardo, Gabriel Adriano, John N. Schumacher, ja Natividad P. Versoza. Philippine Retrospective National Bibliography: 1523-1699. [Manila]: The National Library of the Philippines [and] Ateneo de Manila University Press, 1974.
MLA-viite (9. p.)Bernardo, Gabriel Adriano, et al. Philippine Retrospective National Bibliography: 1523-1699. The National Library of the Philippines [and] Ateneo de Manila University Press, 1974.
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