Disanayaka, K., & Disanayaka, M. (2007). Usas pela vyapara adhyayanaya - 1 kotasa: A - level business studies part - 1. Mitraratna Disanayaka.
Chicago Style (17th ed.) CitationDisanayaka, Karunathilaka, and Malati Disanayaka. Usas Pela Vyapara Adhyayanaya - 1 Kotasa: A - Level Business Studies Part - 1. Mitraratna Disanayaka, 2007.
MLA (9th ed.) CitationDisanayaka, Karunathilaka, and Malati Disanayaka. Usas Pela Vyapara Adhyayanaya - 1 Kotasa: A - Level Business Studies Part - 1. Mitraratna Disanayaka, 2007.
Warning: These citations may not always be 100% accurate.