@book{57937,
	author = { POLLARD, ROBERT T.},
	title = {China's Foreign Relations 1917-1931 /},
	publisher = { The Macmillan Company,},
	year = {1933.},
	address = {New York :},
	note = {Includes index.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-06976.pdf}
}