Beyer, T. R. (1998). 501 English verbs: Fully conjugated in all tenses in a new easy-to-learn format, alphabetically arranged. Hauppauge NY: Barron's Educational Series.
শিকাগো স্টাইলে সাইটেশনBeyer, Thomas R. 501 English Verbs: Fully Conjugated in All Tenses in a New Easy-to-learn Format, Alphabetically Arranged. Hauppauge NY: Barron's Educational Series, 1998.
এমএলএ সাইটেশনBeyer, Thomas R. 501 English Verbs: Fully Conjugated in All Tenses in a New Easy-to-learn Format, Alphabetically Arranged. Hauppauge NY: Barron's Educational Series, 1998.
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