Van Duyn, J. (1975). Practical systems and procedures manual. Reston.
Citación estilo ChicagoVan Duyn, Julia. Practical Systems and Procedures Manual. Reston, 1975.
Cita MLAVan Duyn, Julia. Practical Systems and Procedures Manual. Reston, 1975.
Warning: These citations may not always be 100% accurate.