Gaya APA

Fisher, D. (1995). Latitude Hooks and Azimuth Rings : How to Build and Use 18 Traditional Navigational Tools . United States: Penerbit International Marine.

Gaya MLA

Fisher, Dennis. "Latitude Hooks and Azimuth Rings : How to Build and Use 18 Traditional Navigational Tools". United States: Penerbit International Marine, 1995. Text.