Cita APA (7th ed.)

Nelson, D. E. (1981). Basic: A simplified structured approach. Reston Publishing.

Cita Chicago (17th ed.)

Nelson, Dale E. Basic: A Simplified Structured Approach. Reston, Va: Reston Publishing, 1981.

Cita MLA (9th ed.)

Nelson, Dale E. Basic: A Simplified Structured Approach. Reston Publishing, 1981.