APA
Hillier Parker International, . (1997). Property investment. - March 1997 - December 1997. London: Hillier Parker International.
Chicago
Hillier Parker International, . 1997. Property investment. - March 1997 - December 1997. London: Hillier Parker International.
Harvard
Hillier Parker International, . (1997). Property investment. - March 1997 - December 1997. London: Hillier Parker International.
MLA
Hillier Parker International, . Property investment. - March 1997 - December 1997. London: Hillier Parker International. 1997.