APA (7 वां संस्करण) प्रशस्ति पत्र

Borrington, K., & Stimpson, P. (2018). Cambridge IGCSE & O Level Business Studies Fifth Edition (5th.). Hodder Education.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Borrington, Karen, और Peter Stimpson. Cambridge IGCSE & O Level Business Studies Fifth Edition. 5th. UK: Hodder Education, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Borrington, Karen, और Peter Stimpson. Cambridge IGCSE & O Level Business Studies Fifth Edition. 5th. Hodder Education, 2018.