WORCESTER, P. G. (1964). A textbook of geomorphology.-- 2nd ed. D. Van Nostrand.
芝加哥风格引文WORCESTER, Philip G. A Textbook of Geomorphology.-- 2nd Ed. New Jersey: D. Van Nostrand, 1964.
MLA引文WORCESTER, Philip G. A Textbook of Geomorphology.-- 2nd Ed. D. Van Nostrand, 1964.
警告：这些引文格式不一定是100％准确.