Citazione APA

Mabry, C. H. (2001). Doing the work of reference. The harowth information press.

Stile di citazione Chicago

Mabry, Celia Hales. Doing the Work of Reference. USA: The harowth information press, 2001.

Citazione MLA

Mabry, Celia Hales. Doing the Work of Reference. The harowth information press, 2001.