APA (7th ed.) Citation

Perera, P. (2021). Introduction to economics - ii. Author.

Chicago Style (17th ed.) Citation

Perera, Prasanna. Introduction to Economics - Ii. Peradeniya: Author, 2021.

MLA (9th ed.) Citation

Perera, Prasanna. Introduction to Economics - Ii. Author, 2021.

Warning: These citations may not always be 100% accurate.