ebrary, Inc, & Krasny, M. E. (2003). Invasion ecology: Teacher's guide. NSTA Press.
芝加哥风格引文ebrary, Inc, 与 Marianne E. Krasny. Invasion Ecology: Teacher's Guide. Arlington, Va.: NSTA Press, 2003.
MLA引文ebrary, Inc, 与 Marianne E. Krasny. Invasion Ecology: Teacher's Guide. NSTA Press, 2003.
警告：这些引文格式不一定是100％准确.