APA (7 वां संस्करण) प्रशस्ति पत्र

Ferrell, O., Ferrel, L., & Hirt, G. A. (2020). Business foundations a changing world 12th ed / OC Ferrell. Mc GrawHill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ferrell, O.C, Linda Ferrel, और Geoffrey A. Hirt. Business Foundations a Changing World 12th Ed / OC Ferrell. Mc GrawHill, 2020.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ferrell, O.C, et al. Business Foundations a Changing World 12th Ed / OC Ferrell. Mc GrawHill, 2020.