Hill, C. A. (2011). An introduction to sustainable resource use.
Chicago Edition CitationHill, Callum; Author. An Introduction to Sustainable Resource Use. London, Earthscan, 2011.
ציטוט MLAHill, Callum; Author. An Introduction to Sustainable Resource Use. 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.