Hobday, P. (1978). Saudi Arabia to-day: An introduction to the richest oil power. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHobday, Peter. Saudi Arabia To-day: An Introduction to the Richest Oil Power. Macmillan, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHobday, Peter. Saudi Arabia To-day: An Introduction to the Richest Oil Power. Macmillan, 1978.
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