APA
CB Hillier Parker, . (1999). Central London office market. - Quarter 1, Quarter 2, Quarter 3 1999. London: Hillier Parker.
Chicago
CB Hillier Parker, . 1999. Central London office market. - Quarter 1, Quarter 2, Quarter 3 1999. London: Hillier Parker.
Harvard
CB Hillier Parker, . (1999). Central London office market. - Quarter 1, Quarter 2, Quarter 3 1999. London: Hillier Parker.
MLA
CB Hillier Parker, . Central London office market. - Quarter 1, Quarter 2, Quarter 3 1999. London: Hillier Parker. 1999.