List of References
1. Lecture
Author, A. A. (Year, Date). Title of lecture. Lecture presented at , Country.
2. Lecture Notes
Author, A. A. (Year of publication). Title of notes. Unit code, Place of lecture, Country.
Note: Lecture notes can be treated as personal correspondence if they are not copied and distributed in print or on the Internet with the author's permission.
3. PowerPoint Slides
Author, A.A. (Year of publication). Title of slides. [PowerPoint slides] Retrieved from URL.
Example:
OWL at Purdue. (2011). APA formatting and style guide. [PowerPoint slides]. Retrieved fromhttp://owl.english.purdue.edu/owl/resource/560/17