Loney, S. L. (1964). Plane trigonometry, Part1.
Chicago Style aipamenaLoney, S L. Plane Trigonometry, Part1. Macmillan & Co. Ltd., London, 1964.
MLA aipamenaLoney, S L. Plane Trigonometry, Part1. 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.