Ordway, F. I., Adams, C. C., & Sharpe, M. R. (1971). Dividends from space. Tata Mc graw hill publishing company.

Ordway, Frederick I., Carsbie C. Adams, and Mitchel R. Sharpe. Dividends from Space. New Delhi: Tata Mc graw hill publishing company, 1971.

Ordway, Frederick I., et al. Dividends from Space. Tata Mc graw hill publishing company, 1971.