Hobbs,Richard R. (1981). Marine Navigation1 & 2: Celestial and Electronic (2.). naval.
Citación estilo ChicagoHobbs,Richard R. Marine Navigation1 & 2: Celestial and Electronic. 2. maryland: naval, 1981.
Cita MLAHobbs,Richard R. Marine Navigation1 & 2: Celestial and Electronic. 2. naval, 1981.
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