Gaya APA
Bauer, B, A. (1992).
The Sextant Handbook : Adjustment, Repair, Use, and History (Edisi Kedua).
Camden:
Penerbit International Marine.
Gaya MLA
Bauer, Bruce, A.
"The Sextant Handbook : Adjustment, Repair, Use, and History".
Edisi Kedua
Camden:
Penerbit International Marine,
1992.
Text.