Cita APA (7a ed.)

Yu, L. (2007). Introduction to Semantic Web and Semantic Web services. [S.n.].

Cita Chicago Style (17a ed.)

Yu, Liyang. Introduction to Semantic Web and Semantic Web Services. Londres: [S.n.], 2007.

Cita MLA (9a ed.)

Yu, Liyang. Introduction to Semantic Web and Semantic Web Services. [S.n.], 2007.