APA Format
Roberts, Stephen A.; Roberts, Stephen A.. (1984).
Costing and the economics of library and information services/ Diedit olrh; Stephen A. Roberts
. London :: Aslib,.
MLA Format
Roberts, Stephen A.; Roberts, Stephen A..
Costing and the economics of library and information services/ Diedit olrh; Stephen A. Roberts
. London :: Aslib,, 1984
Chicago Format
Roberts, Stephen A.; Roberts, Stephen A.. Costing and the economics of library and information services/ Diedit olrh; Stephen A. Roberts. London :: Aslib,, 1984.