APA (7th ed.) Citation

Jananayaka, T. (2013). Biology: A/L - unit 1& 2 work book (revision).

Chicago Style (17th ed.) Citation

Jananayaka, Tissa. Biology: A/L - Unit 1& 2 Work Book (revision). 2013.

MLA (9th ed.) Citation

Jananayaka, Tissa. Biology: A/L - Unit 1& 2 Work Book (revision). 2013.

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