Schumacher, J. N. (1970). The taft era in the Philippines [review article]. Philippine Studies : a quarterly.
Lua i Stíl Chicago (17ú heag.)Schumacher, John N. "The Taft Era in the Philippines [review Article]." Philippine Studies : A Quarterly 1970.
Lua MLA (9ú heag.)Schumacher, John N. "The Taft Era in the Philippines [review Article]." Philippine Studies : A Quarterly, 1970.
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