Gaya APA

Llamzon, T, A., Swanson, C, P. (1969). A subgrouping of nine philippine languages . The Hague: The Hague: Martinus Nijhoff; 1969.

Gaya MLA

Llamzon, Teodoro, A.., Swanson, Carl, P.. "A subgrouping of nine philippine languages". The Hague: The Hague: Martinus Nijhoff; 1969, 1969. Text.