APA
Bullard R. K., . (1986). FIG Congress Toronto 1986 : commission 2: report presented at the "RICS" on 9 October 1986. : .
Chicago
Bullard Richard K, . 1986. FIG Congress Toronto 1986 : commission 2: report presented at the "RICS" on 9 October 1986. : .
Harvard
Bullard R. K., . (1986). FIG Congress Toronto 1986 : commission 2: report presented at the "RICS" on 9 October 1986. : .
MLA
Bullard Richard K, . FIG Congress Toronto 1986 : commission 2: report presented at the "RICS" on 9 October 1986. : . 1986.