Παραπομπή APA

Groves, H. M. (1948). Trouble spots in taxation. Princeton university press.

Παραπομπή Chicago Style

Groves, Harold M. Trouble Spots in Taxation. London: Princeton university press, 1948.

Παραπομπή MLA

Groves, Harold M. Trouble Spots in Taxation. Princeton university press, 1948.