O'Brien, J. J., Schaefer, L. P., & Gibson, R. F. (1983). Construction inspection handbook (2nd ed.). Van Nostrand Reinhold.
Tohutoru Kātū ChicagoO'Brien, James Jerome, Leonard P. Schaefer, me Rita F. Gibson. Construction Inspection Handbook. 2nd ed. New York: Van Nostrand Reinhold, 1983.
Tohutoro MLAO'Brien, James Jerome, et al. Construction Inspection Handbook. 2nd ed. Van Nostrand Reinhold, 1983.
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