Cita APA (7th ed.)

Chou, G. T., & Chou, G. T. (1986). dBase III plus handbook (2nd ed.). Que.

Cita Chicago (17th ed.)

Chou, George Tsu-der, i George Tsu-der Chou. DBase III Plus Handbook. 2nd ed. Carmel, In: Que, 1986.

Cita MLA (9th ed.)

Chou, George Tsu-der, i George Tsu-der Chou. DBase III Plus Handbook. 2nd ed. Que, 1986.