@book{73525,
	author = {Watson, John B.},
	title = {Psychology : },
	publisher = { J. B. Lippincott Company, },
	year = {1919.},
	address = { Philadelphia ;},
	edition = {Third edition revised.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B10-10949.pdf}
}