Παραπομπή APA

Bary, N. K. (1964). A treatise on trigonometric series. Pergamon press.

Παραπομπή Chicago Style

Bary, N K. A Treatise on Trigonometric Series. Oxford: Pergamon press, 1964.

Παραπομπή MLA

Bary, N K. A Treatise on Trigonometric Series. Pergamon press, 1964.