Library of Congress. Federal Research Division & Dolan, R. E. (1993). Philippines: A country study (4th ed.). Federal Research Division, Library of Congress.
Chicago Style (17. basım) AtıfLibrary of Congress. Federal Research Division ve Ronald E. Dolan. Philippines: A Country Study. 4th ed. Washington, D.C: Federal Research Division, Library of Congress, 1993.
MLA (9th ed.) AtıfLibrary of Congress. Federal Research Division ve Ronald E. Dolan. Philippines: A Country Study. 4th ed. Federal Research Division, Library of Congress, 1993.
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