Thayer, R. L. (1994). Gray World, Green Heart Technology, Nature, And The Sustainable Landscape Robert L. Thayer. John Wiley & Sons.
Chicago Style (17th ed.) CitationThayer, Robert L. Gray World, Green Heart Technology, Nature, And The Sustainable Landscape Robert L. Thayer. John Wiley & Sons, 1994.
ציטוט MLAThayer, Robert L. Gray World, Green Heart Technology, Nature, And The Sustainable Landscape Robert L. Thayer. John Wiley & Sons, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.