@book{50117,
	author = {ੁਗੁਰਦੇਵ ਸਿੰਘ},
	title = {ਉਮਦਾ ਉਤਵਾਰਿਖ},
	publisher = {Guru  Nanak Dev University},
	year = {2001},
	address = {Amritsar}
}