Guth, H. P. (1989). The writer's agenda: The Wadsworth writer's guide and handbook (Shorter ed.). Wadsworth Pub.
芝加哥风格引文Guth, Hans Paul. The Writer's Agenda: The Wadsworth Writer's Guide and Handbook. Shorter ed. Belmont, CA: Wadsworth Pub, 1989.
MLA引文Guth, Hans Paul. The Writer's Agenda: The Wadsworth Writer's Guide and Handbook. Shorter ed. Wadsworth Pub, 1989.
警告：这些引文格式不一定是100％准确.