@book{1700,
	author = {Denes, Peter B},
	title = {The speech chain:},
	publisher = {W.H Freeman },
	year = {1993},
	address = {New York},
	url = {https://books.google.com.pk/books?id=ZMTm3nlDfroC&dq=9780716723448&hl=en&sa=X&ved=0ahUKEwink-Wl1oTcAhWMIcAKHZsHBRsQ6AEIJDAA}
}