Cliff, H. (2021). How to make an apple pie from scratch: In search of the recipe for our universe, from the origins of atoms to the big bang (First edition.). Doubleday.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCliff, Harry. How to Make an Apple Pie from Scratch: In Search of the Recipe for Our Universe, from the Origins of Atoms to the Big Bang. First edition. New York: Doubleday, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCliff, Harry. How to Make an Apple Pie from Scratch: In Search of the Recipe for Our Universe, from the Origins of Atoms to the Big Bang. First edition. Doubleday, 2021.
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