OBRUCHEV, V. (1959). Fundamental of geology: Popular outline. Foreign Language.
Chicago Style (17th ed.) CitationOBRUCHEV, V. Fundamental of Geology: Popular Outline. Foreign Language, 1959.
MLA引文OBRUCHEV, V. Fundamental of Geology: Popular Outline. Foreign Language, 1959.
警告：这些引文格式不一定是100％准确.