Cita APA (7th ed.)

Daniels, P. W. (1993). Service industries in the world economy. Blackwell.

Cita Chicago (17th ed.)

Daniels, P. W. Service Industries in the World Economy. Oxford, UK: Blackwell, 1993.

Cita MLA (9th ed.)

Daniels, P. W. Service Industries in the World Economy. Blackwell, 1993.