APA
(1972). Multiple choice tests in o-level mathematics. London: Pitambar Publishing company # Pitman Publishing.
Chicago
1972. Multiple choice tests in o-level mathematics. London: Pitambar Publishing company # Pitman Publishing.
Harvard
(1972). Multiple choice tests in o-level mathematics. London: Pitambar Publishing company # Pitman Publishing.
MLA
Multiple choice tests in o-level mathematics. London: Pitambar Publishing company # Pitman Publishing. 1972.