APA (7th ed.) Citation

Ranasinghe, O. Work book: Lower class. [s.n.].

Chicago Style (17th ed.) Citation

Ranasinghe, Oshadie. Work Book: Lower Class. [s.l]: [s.n.].

MLA (9th ed.) Citation

Ranasinghe, Oshadie. Work Book: Lower Class. [s.n.].

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