APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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