(2013). Chemical tankers: A pocket safety guide (2. edition.). Scotland, UK: Witherby Seamanship International.
Citación estilo ChicagoChemical Tankers: A Pocket Safety Guide. 2. edition. Scotland, UK: Witherby Seamanship International, 2013.
Cita MLAChemical Tankers: A Pocket Safety Guide. 2. edition. Scotland, UK: Witherby Seamanship International, 2013.
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