Pacific Northwest Laboratory & Washington State Law Enforcement Officers Training Commission. (1970). A study of state-wide training facilities for Washington law enforcement officers: To Washington Law Enforcement Officers Training Commission (Rev.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacific Northwest Laboratory و Washington State Law Enforcement Officers Training Commission. A Study of State-wide Training Facilities for Washington Law Enforcement Officers: To Washington Law Enforcement Officers Training Commission. Rev. Richland, Wash, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pacific Northwest Laboratory و Washington State Law Enforcement Officers Training Commission. A Study of State-wide Training Facilities for Washington Law Enforcement Officers: To Washington Law Enforcement Officers Training Commission. Rev. 1970.