Gaya APA

Antil, J, M., Woodhead, R, W. (1990). Critical Path Methods In Construction Practice (^a4 ^bJilid 1). USA: John Wiley and Sons.

Gaya MLA

Antil, James, M.., Woodhead, Ronald, W.. "Critical Path Methods In Construction Practice". ^a4 ^bJilid 1 USA: John Wiley and Sons, 1990. Text.