Cita APA (7th ed.)

Dumlao, D. C. (1972). Instructional materials for teaching English idioms to Ilocano high school students. s.n.

Cita Chicago (17th ed.)

Dumlao, Dorotheo C. Instructional Materials for Teaching English Idioms to Ilocano High School Students. [Quezon City: s.n, 1972.

Cita MLA (9th ed.)

Dumlao, Dorotheo C. Instructional Materials for Teaching English Idioms to Ilocano High School Students. s.n, 1972.