Cita APA (7th ed.)

DAVIDSON ELEANOR. (2004). FORMATTING LETTERS AND REPORTS: COMPUTER USER'S GUIDE. VIVA BOOKS PVT.LTD.

Cita Chicago (17th ed.)

DAVIDSON ELEANOR. FORMATTING LETTERS AND REPORTS: COMPUTER USER'S GUIDE. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.

Cita MLA (9th ed.)

DAVIDSON ELEANOR. FORMATTING LETTERS AND REPORTS: COMPUTER USER'S GUIDE. VIVA BOOKS PVT.LTD, 2004.