APA (7th ed.) Citation

DAI, W. Research on the design and policy of national number portability service plan. Beijing Xintong Media Co., Ltd.

Chicago Style (17th ed.) Citation

DAI, Wei. Research on the Design and Policy of National Number Portability Service Plan. Beijing Xintong Media Co., Ltd.

MLA (9th ed.) Citation

DAI, Wei. Research on the Design and Policy of National Number Portability Service Plan. Beijing Xintong Media Co., Ltd.

Warning: These citations may not always be 100% accurate.