Citazione Stile APA (7a Edizione)

Lumsden, R. (1993). Twenty-three steps to success and achievement. Indus.

Citazione stile Chigago Style (17a edizione)

Lumsden, Robert. Twenty-three Steps to Success and Achievement. New delhi: Indus, 1993.

Citatione MLA (9a ed.)

Lumsden, Robert. Twenty-three Steps to Success and Achievement. Indus, 1993.