Martelli. Martelli's Navigation Tables: A rapid method of finding the position and for solving spherical triangle problems. Kelvin Hughes.
استشهاد بنمط شيكاغوMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. London: Kelvin Hughes.
MLA استشهادMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. Kelvin Hughes.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.