Cita APA

Croner, U. H. E. (1964). Trade directories of the world.

Chicago Edition Citation

Croner, Ulrich H. E. Trade Directories of the World. 1964.

Cita MLA

Croner, Ulrich H. E. Trade Directories of the World. 1964.

Atenció: Aquestes cites poden no estar 100% correctes.