Dyfyniad APA

Vanoverbergh, M. (1929). Negritos of Northern Luzon again. s.n.

Dyfyniad Arddull Chicago

Vanoverbergh, Morice. Negritos of Northern Luzon Again. [S.l: s.n, 1929.

Dyfyniad MLA

Vanoverbergh, Morice. Negritos of Northern Luzon Again. s.n, 1929.

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