Gaya APA

International, W, S. ([s.a.]). Ship Stability : M.V. Almar Stability Data Book . United Kingdom: Penerbit Witherby Seamanship International.

Gaya MLA

International, Witherby, Seamanship. "Ship Stability : M.V. Almar Stability Data Book". United Kingdom: Penerbit Witherby Seamanship International, [s.a.]. Text.