Cita APA (7th ed.)

Thomas, A. R., & Shearer, J. R. (2000). Internet searching and indexing: The subject approach. Haworth Information Press.

Cita Chicago (17th ed.)

Thomas, Alan R., i James R. Shearer. Internet Searching and Indexing: The Subject Approach. New York: Haworth Information Press, 2000.

Cita MLA (9th ed.)

Thomas, Alan R., i James R. Shearer. Internet Searching and Indexing: The Subject Approach. Haworth Information Press, 2000.