APA način citiranja (7. izdanje)

Callaghan, J. (1992). Costing for contracts. Directory of cocial change.

Čikaški stil citiranja (17. izdanje)

Callaghan, John. Costing for Contracts. London: Directory of cocial change, 1992.

MLA način citiranja (8. izdanje)

Callaghan, John. Costing for Contracts. Directory of cocial change, 1992.