Samaranayake, P. M. N. R. (2000). English grammar tenses and verb forms = Ingirisi vyakarana kalabedhaya saha kriyarupa. Ariya Publishers.
Chicago Style (17th ed.) CitationSamaranayake, P. M. N. Ruvinda. English Grammar Tenses and Verb Forms = Ingirisi Vyakarana Kalabedhaya Saha Kriyarupa. Warakapola: Ariya Publishers, 2000.
MLA (9th ed.) CitationSamaranayake, P. M. N. Ruvinda. English Grammar Tenses and Verb Forms = Ingirisi Vyakarana Kalabedhaya Saha Kriyarupa. Ariya Publishers, 2000.
Warning: These citations may not always be 100% accurate.