Παραπομπή σε μορφή APA (7η εκδ.)
IAWPRC International Specialised Workshop (1990 : Valladolid, Spain), IAWPRC, Pergamon Press, & Switzenbaum M. S. (1991). Anaerobic treatment technology for municipal and industrial wastewaters: Proceedings of the IAWPRC International Specialised Workshop held in Valladolid, Spain, 24-26 September 1990. Pergamon Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)
IAWPRC International Specialised Workshop (1990 : Valladolid, Spain), IAWPRC, Pergamon Press, και Switzenbaum M. S. Anaerobic Treatment Technology for Municipal and Industrial Wastewaters: Proceedings of the IAWPRC International Specialised Workshop Held in Valladolid, Spain, 24-26 September 1990. Pergamon Press, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)
IAWPRC International Specialised Workshop (1990 : Valladolid, Spain), et al. Anaerobic Treatment Technology for Municipal and Industrial Wastewaters: Proceedings of the IAWPRC International Specialised Workshop Held in Valladolid, Spain, 24-26 September 1990. Pergamon Press, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.