Cita APA (7th ed.)

PARR WILLIAM M. (1984). EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. TARAPOREVALA PUBLICATIONS.

Cita Chicago (17th ed.)

PARR WILLIAM M. EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. BOMBAY: TARAPOREVALA PUBLICATIONS, 1984.

Cita MLA (9th ed.)

PARR WILLIAM M. EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. TARAPOREVALA PUBLICATIONS, 1984.