Cita APA (7a ed.)

Avila, D. M. (2000). Essentials of English: Worktext. Mutya Pub. House.

Cita Chicago Style (17a ed.)

Avila, Dorcas M. Essentials of English: Worktext. Valenzuela City: Mutya Pub. House, 2000.

Cita MLA (9a ed.)

Avila, Dorcas M. Essentials of English: Worktext. Mutya Pub. House, 2000.