256860 Schwarz, K. P., & Krynski, J. (1989). Fundamentals of geodesy. Calgary : University of Calgary.
Cita Chicago (17th ed.)256860 Schwarz, K. P., i J. Krynski. Fundamentals of Geodesy. Calgary : University of Calgary, 1989.
Cita MLA (9th ed.)256860 Schwarz, K. P., i J. Krynski. Fundamentals of Geodesy. Calgary : University of Calgary, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.