Kessler, R., & Sklar, A. (2009). In the president's secret service: Behind the scenes with agents in the line of fire and the presidents they protect (Unabridged.). Tantor Media.
Цитирование в стиле Чикаго (17-е изд.)Kessler, Ronald, и Alan Sklar. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. Unabridged. Old Saybrook: Tantor Media, 2009.
Цитирование MLA (8-е изд.)Kessler, Ronald, и Alan Sklar. In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect. Unabridged. Tantor Media, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.