Armstrong, A. (1858). Observations on naval hygiene and scurvy: Made particularly as the latter appeared during a polar voyage.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিArmstrong, Alexander. Observations on Naval Hygiene and Scurvy: Made Particularly as the Latter Appeared During a Polar Voyage. London: John Churchill, 1858.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিArmstrong, Alexander. Observations on Naval Hygiene and Scurvy: Made Particularly as the Latter Appeared During a Polar Voyage. 1858.
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