APA aipamena

Sorenson, S. (2002). How to write research papers. Lawrenceville, NJ: Thomson/Arco.

Chicago Style aipamena

Sorenson, Sharon. How to Write Research Papers. Lawrenceville, NJ: Thomson/Arco, 2002.

MLA aipamena

Sorenson, Sharon. How to Write Research Papers. Lawrenceville, NJ: Thomson/Arco, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.