@book{355,
	author = {Singhal Om Prakash - सिंघल ओम प्रकाश},
	title = {Aupacharik Patra-Lekhan - औपचारिक पत्र-लेखन},
	publisher = {Kitab Ghar Prakashan},
	year = {2013},
	address = {New Delhi, India},
	edition = {1st Ed.}
}