Cita APA (7th ed.)

BENTLEY J L. (1986). WRITING EFFICIENT PROGRAMS. PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago (17th ed.)

BENTLEY J L. WRITING EFFICIENT PROGRAMS. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1986.

Cita MLA (9th ed.)

BENTLEY J L. WRITING EFFICIENT PROGRAMS. PRENTICE -HALL INTERNATIONAL, INC, 1986.