Cita APA

Heffernan,Shelagh, & Sinclair,Peter. (1990). Modern internaitonal economics. Blackwell.

Citación estilo Chicago

Heffernan,Shelagh, y Sinclair,Peter. Modern Internaitonal Economics. U K: Blackwell, 1990.

Cita MLA

Heffernan,Shelagh, y Sinclair,Peter. Modern Internaitonal Economics. Blackwell, 1990.