cULP, r. (1978). Hand book of advanced waste water treatment (2.). Van Nostrand Reinhold Company.
Chicago Edition CitationcULP, r.l. Hand Book of Advanced Waste Water Treatment. 2. New York: Van Nostrand Reinhold Company, 1978.
ציטוט MLAcULP, r.l. Hand Book of Advanced Waste Water Treatment. 2. Van Nostrand Reinhold Company, 1978.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.