Cita APA (7a ed.)

MANNING, G. S., & MANNING, G. S. (1984). Cobol Basics A Structured Approach Gerry Manning. Random House.

Cita Chicago Style (17a ed.)

MANNING, Gerryey S., y Gerryey S. MANNING. Cobol Basics A Structured Approach Gerry Manning. Random House, 1984.

Cita MLA (8a ed.)

MANNING, Gerryey S., y Gerryey S. MANNING. Cobol Basics A Structured Approach Gerry Manning. Random House, 1984.