APA (7th ed.) Citation

sathkumara, G. (1979). Aguide to an english course for grade ten. [s.n].

Chicago Style (17th ed.) Citation

sathkumara, Gunatilaka. Aguide to an English Course for Grade Ten. [s.l]: [s.n], 1979.

MLA (9th ed.) Citation

sathkumara, Gunatilaka. Aguide to an English Course for Grade Ten. [s.n], 1979.