Loney, S. L. (2000). Plane trignometry Part 2. A J T B S publishers.
Chicago Style aipamenaLoney, S L. Plane Trignometry Part 2. Delhi: A J T B S publishers, 2000.
MLA aipamenaLoney, S L. Plane Trignometry Part 2. A J T B S publishers, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.