De klant is koning! / / Walter Lotens.

MLA

Lotens, Walter. De Klant Is Koning!. Antwerpen: De Sikkel, 1972.

APA

Lotens, W. (1972). De klant is koning!. Antwerpen: De Sikkel.

Chicago

Lotens, Walter De Klant Is Koning!. Antwerpen: De Sikkel, 1972.