APA aipamena

Beyer, H. O. (1950). Earliest people of the Philippines. s.n.

Chicago Style aipamena

Beyer, Henry Otley. Earliest People of the Philippines. [S.l: s.n, 1950.

MLA aipamena

Beyer, Henry Otley. Earliest People of the Philippines. s.n, 1950.