Cita APA (7th ed.)

Vargas, M. B. F. (2014). Vocal workout. University of the Philippines Visayas.

Cita Chicago (17th ed.)

Vargas, Mary Babbeth F. Vocal Workout. Iloilo City: University of the Philippines Visayas, 2014.

Cita MLA (9th ed.)

Vargas, Mary Babbeth F. Vocal Workout. University of the Philippines Visayas, 2014.