Cita APA (7a ed.)

Johnke, N. (1985). Instructor's manual for Stern & Stern Structured COBOL programming fourth edition. John Wiley and Sons.

Cita Chicago Style (17a ed.)

Johnke, Nancy. Instructor's Manual for Stern & Stern Structured COBOL Programming Fourth Edition. Nueva York: John Wiley and Sons, 1985.

Cita MLA (9a ed.)

Johnke, Nancy. Instructor's Manual for Stern & Stern Structured COBOL Programming Fourth Edition. John Wiley and Sons, 1985.