Washington (State). Forest Practices Board, Washington (State). Forest Practices Board. Spotted Owl Science Advisory Group, & Hanson, E. (1993). Spotted owl habitat in Washington: A report to the Washington Forest Practices Board. Washington Forest Practices Board?.
Цитирование в стиле Чикаго (17-е изд.)Washington (State). Forest Practices Board, Washington (State). Forest Practices Board. Spotted Owl Science Advisory Group, и Eric Hanson. Spotted Owl Habitat in Washington: A Report to the Washington Forest Practices Board. [Olympia, Wash.?: Washington Forest Practices Board?, 1993.
Цитирование MLA (8-е изд.)Washington (State). Forest Practices Board, et al. Spotted Owl Habitat in Washington: A Report to the Washington Forest Practices Board. Washington Forest Practices Board?, 1993.