Cita APA (7a ed.)

Schofield, J. (2004). Double dealing: Intermediate : [student's book] : business english course. Summertown Publishing.

Cita Chicago Style (17a ed.)

Schofield, James. Double Dealing: Intermediate : [student's Book] : Business English Course. Summertown: Summertown Publishing, 2004.

Cita MLA (9a ed.)

Schofield, James. Double Dealing: Intermediate : [student's Book] : Business English Course. Summertown Publishing, 2004.