APA

PerrysOW, Naish J., . (1971). mathematic for o level. : Macdonad.

Chicago

PerrysOW, Naish June, . 1971. mathematic for o level. : Macdonad.

Harvard

PerrysOW, Naish J., . (1971). mathematic for o level. : Macdonad.

MLA

PerrysOW, Naish June, . mathematic for o level. : Macdonad. 1971.