APA Style

Garbutt, M., O'sullivan, K. (1998). IELTS strategies for study [Book + Cassette] (Update edition). [Sydney]: National Centre for English Language Teaching and Research.

MLA Style

Garbutt, Michael., O'sullivan, Kerry. "IELTS strategies for study [Book + Cassette]". Update edition [Sydney]: National Centre for English Language Teaching and Research, 1998. Book + Cassette.