Allan, A. L. (1968). Practical field surveying and computations. Heinemann.
Chicago Edition CitationAllan, A. L. Practical Field Surveying and Computations. Heinemann, 1968.
Cita MLAAllan, A. L. Practical Field Surveying and Computations. Heinemann, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.