Cita APA

Van Duyn, J. (1975). Practical systems and procedures manual. Reston.

Chicago Edition Citation

Van Duyn, Julia. Practical Systems and Procedures Manual. Reston, 1975.

Cita MLA

Van Duyn, Julia. Practical Systems and Procedures Manual. Reston, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.