Dyfyniad APA

(1976). Cost estimation: An expert-opinion approach / Charles Buffalano, Stephen Fogleman, and Mark Gielecki ; Goddard Space Flight Center, Greenbelt, Md.

Dyfyniad Arddull Chicago

Cost Estimation: An Expert-opinion Approach / Charles Buffalano, Stephen Fogleman, and Mark Gielecki ; Goddard Space Flight Center, Greenbelt, Md. 1976.

Dyfyniad MLA

Cost Estimation: An Expert-opinion Approach / Charles Buffalano, Stephen Fogleman, and Mark Gielecki ; Goddard Space Flight Center, Greenbelt, Md. 1976.

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