Spear and Staff, Inc. (1968). The computer industry programming for profits: An investment analysis. [s.n.].
Цитирование в стиле Чикаго (17-е изд.)Spear and Staff, Inc. The Computer Industry Programming for Profits: An Investment Analysis. Babson Park, Mass: [s.n.], 1968.
Цитирование MLA (9-е изд.)Spear and Staff, Inc. The Computer Industry Programming for Profits: An Investment Analysis. [s.n.], 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.