Lange, R. A., & Akiyama, N. (2008). 501 Japanese verbs: Fully described in all inflections, moods, aspects, and formality levels in a new easy-to-learn format, alphabetically arranged (3rd ed.). Barron's Educational Series.
Chicago Style (17th ed.) CitationLange, Roland A., and Nobuo Akiyama. 501 Japanese Verbs: Fully Described in All Inflections, Moods, Aspects, and Formality Levels in a New Easy-to-learn Format, Alphabetically Arranged. 3rd ed. Hauppauge, N.Y.: Barron's Educational Series, 2008.
MLA (9th ed.) CitationLange, Roland A., and Nobuo Akiyama. 501 Japanese Verbs: Fully Described in All Inflections, Moods, Aspects, and Formality Levels in a New Easy-to-learn Format, Alphabetically Arranged. 3rd ed. Barron's Educational Series, 2008.
Warning: These citations may not always be 100% accurate.