Παραπομπή σε μορφή APA (7η εκδ.)

Penrod, D. (2007). Using blogs to enhance literacy: The next powerful step in 21st-century learning. Rowman & Littlefield Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Penrod, Diane. Using Blogs to Enhance Literacy: The Next Powerful Step in 21st-century Learning. Lanham, Md.: Rowman & Littlefield Education, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Penrod, Diane. Using Blogs to Enhance Literacy: The Next Powerful Step in 21st-century Learning. Rowman & Littlefield Education, 2007.