Cita APA (7th ed.)
Haapio, H., & Siedel, G. J. (2013). A short guide to contract risk. Gower.
Cita Chicago (17th ed.)
Haapio, Helena, i George J. Siedel. A Short Guide to Contract Risk. Burlington, Vt.: Gower, 2013.
Cita MLA (9th ed.)
Haapio, Helena, i George J. Siedel. A Short Guide to Contract Risk. Gower, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.