Παραπομπή APA

Thorpe, E. (2004). Pearson general studies manual 2004. Pearson Education.

Παραπομπή Chicago Style

Thorpe, Edgar. Pearson General Studies Manual 2004. Delhi: Pearson Education, 2004.

Παραπομπή MLA

Thorpe, Edgar. Pearson General Studies Manual 2004. Pearson Education, 2004.