APA (7th ed.) Zitazioa
Hogg, J. F., Bishop, C. G., & Barnhizer, D. D. (2008). Contracts: Cases and theory of contractual obligation : selected rules for contracts. Thomson/West.
Chicago Style (17th ed.) Zitazioa
Hogg, James F., Carter G. Bishop, eta Daniel D. Barnhizer. Contracts: Cases and Theory of Contractual Obligation : Selected Rules for Contracts. St. Paul, MN: Thomson/West, 2008.
MLA (9th ed.) Zitazioa
Hogg, James F., et al. Contracts: Cases and Theory of Contractual Obligation : Selected Rules for Contracts. Thomson/West, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.