Citazione Stile APA (7a Edizione)

KLEIJNEN JACK P C. (1979). MANUAL OF COMMERCIAL COROSPONDENCE (3RD.). A H WHEELER & CO.

Citazione stile Chigago Style (17a edizione)

KLEIJNEN JACK P C. MANUAL OF COMMERCIAL COROSPONDENCE. 3RD. ALLAHABAD: A H WHEELER & CO, 1979.

Citatione MLA (9a ed.)

KLEIJNEN JACK P C. MANUAL OF COMMERCIAL COROSPONDENCE. 3RD. A H WHEELER & CO, 1979.