APA-viite

O'Leary, Z. (2017). The essential guide to doing your research project (3rd edition.). Sage.

Chicago-tyylinen lähdeviittaus

O'Leary, Zina. The Essential Guide to Doing Your Research Project. 3rd edition. London: Sage, 2017.

MLA-viite

O'Leary, Zina. The Essential Guide to Doing Your Research Project. 3rd edition. Sage, 2017.