Evans, W. H. (1902). Agricultural investigations in the island possessions of the United States. [s.n.].
Chicago Style (17th ed.) CitationEvans, Walter Harrison. Agricultural Investigations in the Island Possessions of the United States. Washington: [s.n.], 1902.
ציטוט MLAEvans, Walter Harrison. Agricultural Investigations in the Island Possessions of the United States. [s.n.], 1902.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.