APA (7th ed.) Citation

Hathotuwegama, R. Custumary Practice Of Spoken English.

Chicago Style (17th ed.) Citation

Hathotuwegama, Ruwan. Custumary Practice Of Spoken English.

MLA (9th ed.) Citation

Hathotuwegama, Ruwan. Custumary Practice Of Spoken English.

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