@book{1189,
	author = {Douglas, John F. and Gasiorek, Janusz M.},
	title = {Fluid Mechanics },
	publisher = {Prentice Hall,},
	year = {2011.},
	address = {England :},
	edition = {6th ed.},
	url = {https://books.google.com.pk/books?id=JyLoTgEACAAJ&dq=Fluid+Mechanics+6th+ed.+by+douglas&hl=en&sa=X&redir_esc=y}
}