APA引文

Mustapha, A. (2005). Investigating teaching presence in online discussion forums / Aida Mustapha.

Chicago Style (17th ed.) Citation

Mustapha, Aida. Investigating Teaching Presence in Online Discussion Forums / Aida Mustapha. 2005.

MLA引文

Mustapha, Aida. Investigating Teaching Presence in Online Discussion Forums / Aida Mustapha. 2005.

警告：这些引文格式不一定是100％准确.