Dyfyniad APA

Pratt, D. J., & David J. Pratt. (2004). Fundamentals of construction estimating. Clifton Park, NY: Thomson Delmar Learning.

Dyfyniad Arddull Chicago

Pratt, David J., và David J. Pratt. Fundamentals of Construction Estimating. Clifton Park, NY: Thomson Delmar Learning, 2004.

Dyfyniad MLA

Pratt, David J., và David J. Pratt. Fundamentals of Construction Estimating. Clifton Park, NY: Thomson Delmar Learning, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.