Succesvolle handelsbrieven

MLA

Casson, Herbert Newton, and Alfred Rodrigues. Succesvolle Handelsbrieven. Den Haag: Maandblad Succes, 19.

APA

Casson, H. Newton, & Rodrigues, A. (19). Succesvolle handelsbrieven. Den Haag: Maandblad Succes.

Chicago

Casson, Herbert Newton Succesvolle Handelsbrieven. Translated by Alfred Rodrigues. Den Haag: Maandblad Succes, 19.