Cita APA (7a ed.)

Economist Newspaper Limited & Roberts, P. (2007). Guide to Project Management. The Economist Intelligence Unit.

Cita Chicago Style (17a ed.)

Economist Newspaper Limited y Paul Roberts. Guide to Project Management. The Economist Intelligence Unit, 2007.

Cita MLA (8a ed.)

Economist Newspaper Limited y Paul Roberts. Guide to Project Management. The Economist Intelligence Unit, 2007.