Não informado. (1920). Bulletin of the Society of Naval Architects and Marine Engineer. Society of Naval Architects and Marine Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Society of Naval Architects and Marine Engineer. New York: Society of Naval Architects and Marine Engineers, 1920.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Society of Naval Architects and Marine Engineer. Society of Naval Architects and Marine Engineers, 1920.
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