Hallert, B. (1960). Photogrammetry: Basic principles and general survey. McGraw-Hill.
Cita Chicago (17th ed.)Hallert, Bertil. Photogrammetry: Basic Principles and General Survey. New York: McGraw-Hill, 1960.
Cita MLA (9th ed.)Hallert, Bertil. Photogrammetry: Basic Principles and General Survey. McGraw-Hill, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.