-. Britannica Illustrated Science Library: Rocks and Mineral. Encyclopaedia Britannica, Inc.
Chicago Style (17th ed.) Citation-. Britannica Illustrated Science Library: Rocks and Mineral. Encyclopaedia Britannica, Inc.
MLA引文-. Britannica Illustrated Science Library: Rocks and Mineral. Encyclopaedia Britannica, Inc.
警告：這些引文格式不一定是100％准確.