Παραπομπή σε μορφή APA (7η εκδ.)

EWALD, H. R. (1983). Writing As Process Invention And Convention Helen Rothschild Ewald. Charles E. Merril.

Παραπομπή σε μορφή Chicago (17η εκδ.)

EWALD, Helen Rothschild. Writing As Process Invention And Convention Helen Rothschild Ewald. Charles E. Merril, 1983.

Παραπομπή σε μορφή MLA (8th εκδ.)

EWALD, Helen Rothschild. Writing As Process Invention And Convention Helen Rothschild Ewald. Charles E. Merril, 1983.