APA (7th ed.) Citation

Amarasiri K.N.T. Spoken English. Sumudu offset printers.

Chicago Style (17th ed.) Citation

Amarasiri K.N.T. Spoken English. Magalle: Sumudu offset printers.

MLA (9th ed.) Citation

Amarasiri K.N.T. Spoken English. Sumudu offset printers.

Warning: These citations may not always be 100% accurate.