Gaya APA

Roszkowski, Mark E.. (1989). Business law : principles, cases and policy (2nd ed.). [s.l.]: Harper Collins.

Gaya Chicago

Roszkowski, Mark E.. Business law : principles, cases and policy. 2nd ed. [s.l.]: Harper Collins, 1989. Text.

Gaya MLA

Roszkowski, Mark E.. Business law : principles, cases and policy. 2nd ed. [s.l.]: Harper Collins, 1989. Text.

Gaya Turabian

Roszkowski, Mark E.. Business law : principles, cases and policy. 2nd ed. [s.l.]: Harper Collins, 1989. Print.