APA-referens

Crossfield. (1977). How to develop executive skills. Crossfield.

Chicago-stil citat

Crossfield. How to Develop Executive Skills. New Delhi: Crossfield, 1977.

MLA-referens

Crossfield. How to Develop Executive Skills. Crossfield, 1977.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.