Cita APA (7th ed.)

Senatin, R. B. (2003). Essentials of English: English 101 (workbook-textbook). National Book Store.

Cita Chicago (17th ed.)

Senatin, Ruby B. Essentials of English: English 101 (workbook-textbook). Mandaluyong City: National Book Store, 2003.

Cita MLA (9th ed.)

Senatin, Ruby B. Essentials of English: English 101 (workbook-textbook). National Book Store, 2003.