Cita APA (7th ed.)

Schildt, H. (1991). DOS 5: Made easy. Jemma.

Cita Chicago (17th ed.)

Schildt, Herbert. DOS 5: Made Easy. Manila: Jemma, 1991.

Cita MLA (9th ed.)

Schildt, Herbert. DOS 5: Made Easy. Jemma, 1991.