Lopez, C., & Constantino, E. A. (1977). Selected writings of Cecilio Lopez in Philippine linguistics. Archives of Philippine Languages and Dialects ; Philippine Linguistics Circle ; Samahang Lingguwistika ng Unibersidad ng Pilipinas.
Chicago (17e ed.) BronvermeldingLopez, Cecilio, en Ernesto Andres Constantino. Selected Writings of Cecilio Lopez in Philippine Linguistics. Quezon City: Archives of Philippine Languages and Dialects ; Philippine Linguistics Circle ; Samahang Lingguwistika ng Unibersidad ng Pilipinas, 1977.
MLA (9e ed.) BronvermeldingLopez, Cecilio, en Ernesto Andres Constantino. Selected Writings of Cecilio Lopez in Philippine Linguistics. Archives of Philippine Languages and Dialects ; Philippine Linguistics Circle ; Samahang Lingguwistika ng Unibersidad ng Pilipinas, 1977.