Waggoner, C., & Raven, P. H. (1998). Study guide to accompany Environment, second edition, Raven, Berg, Johnson. Saunders College Pub..
芝加哥风格引文Waggoner, Charlene, 与 Peter H. Raven. Study Guide to Accompany Environment, Second Edition, Raven, Berg, Johnson. Fort Worth, [Tex.]: Saunders College Pub., 1998.
MLA引文Waggoner, Charlene, 与 Peter H. Raven. Study Guide to Accompany Environment, Second Edition, Raven, Berg, Johnson. Saunders College Pub., 1998.
警告：这些引文格式不一定是100％准确.