Cita APA (7th ed.)

Wijesinha, R. (2004). A hand book of english grammar. Foundation books.

Cita Chicago (17th ed.)

Wijesinha, Rajiva. A Hand Book of English Grammar. India: Foundation books, 2004.

Cita MLA (8th ed.)

Wijesinha, Rajiva. A Hand Book of English Grammar. Foundation books, 2004.