Lapedes, D. N., & Parker, S. P. (1977). McGraw hill encyclopaedia of science and technology.
Chicago Edition CitationLapedes, Daniel N., i Sybil P. Parker. McGraw Hill Encyclopaedia of Science and Technology. New York, Mc Graw Hill, 1977.
Cita MLALapedes, Daniel N., i Sybil P. Parker. McGraw Hill Encyclopaedia of Science and Technology. 1977.
Atenció: Aquestes cites poden no estar 100% correctes.