Cubar, N. I., & Cubar, E. H. (1990). A study of the traditions and current trends in the writing of Philippine grammars: Toward the writing of a model for a grammar of the emerging national language. Office of Research Coordination, University of the Philippines.

Cubar, Nelly I., and Ernesto H. Cubar. A Study of the Traditions and Current Trends in the Writing of Philippine Grammars: Toward the Writing of a Model for a Grammar of the Emerging National Language. Quezon City: Office of Research Coordination, University of the Philippines, 1990.

Cubar, Nelly I., and Ernesto H. Cubar. A Study of the Traditions and Current Trends in the Writing of Philippine Grammars: Toward the Writing of a Model for a Grammar of the Emerging National Language. Office of Research Coordination, University of the Philippines, 1990.