Cita APA (7a ed.)

Leason,J.K, & Standley , R. (1986). Least cost analysis.

Cita Chicago Style (17a ed.)

Leason,J.K, y Robert Standley. Least Cost Analysis. Washington D.C. : National Corrugated Steel Pipe Aassociation, 1986.

Cita MLA (9a ed.)

Leason,J.K, y Robert Standley. Least Cost Analysis. 1986.