APA (7th ed.) Citation
Walker, L., & Leila Walker. (2008). The essential guide to lesson planning. Person Education Ltd..
Chicago Style (17th ed.) Citation
Walker, Leila, and Leila Walker. The Essential Guide to Lesson Planning. Harlow, England: Person Education Ltd., 2008.
MLA (9th ed.) Citation
Walker, Leila, and Leila Walker. The Essential Guide to Lesson Planning. Person Education Ltd., 2008.
Warning: These citations may not always be 100% accurate.