APA
(1964). Mindland mathematical experiment: 'O' level. Book 2. London, UK: George G Harrap and Co Ltd.
Chicago
1964. Mindland mathematical experiment: 'O' level. Book 2. London, UK: George G Harrap and Co Ltd.
Harvard
(1964). Mindland mathematical experiment: 'O' level. Book 2. London, UK: George G Harrap and Co Ltd.
MLA
Mindland mathematical experiment: 'O' level. Book 2. London, UK: George G Harrap and Co Ltd. 1964.
