Παραπομπή APA

Wren, P. C. (1938). Elementary grammar on modern lines (14th ed.).

Παραπομπή Chicago Style

Wren, P. C. Elementary Grammar on Modern Lines. 14th ed. Bombay, 1938.

Παραπομπή MLA

Wren, P. C. Elementary Grammar on Modern Lines. 14th ed. 1938.