Citace podle APA (7th ed.)

Sancianco, G. G., & Alzona, E. (1975). The progress of the Philippines: Economic, administrative and political studies. National Historical Institute.

Citace podle Chicago (17th ed.)

Sancianco, Gregorio Goson, a Encarnacion Alzona. The Progress of the Philippines: Economic, Administrative and Political Studies. Manila, Philippines: National Historical Institute, 1975.

Citace podle MLA (9th ed.)

Sancianco, Gregorio Goson, a Encarnacion Alzona. The Progress of the Philippines: Economic, Administrative and Political Studies. National Historical Institute, 1975.

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