Hardy, A. (1959). The open sea; its natural history: Part II. Fish and fisheries with chapters on whales, turtles and animals of the sea floor. Collins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHardy, Alister. The Open Sea; Its Natural History: Part II. Fish and Fisheries with Chapters on Whales, Turtles and Animals of the Sea Floor. London: Collins, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHardy, Alister. The Open Sea; Its Natural History: Part II. Fish and Fisheries with Chapters on Whales, Turtles and Animals of the Sea Floor. Collins, 1959.
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