Permanent International Association of Navigation Congresses, Permanent International Commission of Navigation Congresses, & International Navigation Association. (1926). Bulletin of the Permanent International Association of Navigation Congresses. Permanent International Association of Navigation Congresses.
Chicago-referens (17:e uppl.)Permanent International Association of Navigation Congresses, Permanent International Commission of Navigation Congresses, och International Navigation Association. Bulletin of the Permanent International Association of Navigation Congresses. Brussels: Permanent International Association of Navigation Congresses, 1926.
MLA-referens (8:e uppl.)Permanent International Association of Navigation Congresses, et al. Bulletin of the Permanent International Association of Navigation Congresses. Permanent International Association of Navigation Congresses, 1926.