The Harvard Referencing System

Two stages to referencing work using author-date or Harvard system:

1. Refer to work in writing (in text citation).
2. Provide full details of source in bibliography/references.

Example:
The requirement that feedback is received by students while it still matters to them was raised by Gibbs & Simpson (2004). This supports the view of Kulik (1980) who showed that a teaching method which places great emphasis on immediate feedback at each stage of the students’ progress improved student performance.
Reference List
Gibbs, G. and Simpson, C., 2004. Conditions Under Which Assessments Support Students’ Learning. Learning & Teaching in Higher Education, 1(1).
Kulik, J., 1980. Instructional Technology and College Teaching. Teaching Psychology, Vol 7, 52-68