توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1969). Careers encyclopedia: A work of reference upon some 220 occupations, for teachers, parents, school leavers, undergraduates and employment officials. Macmillan & Cleaver.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Careers Encyclopedia: A Work of Reference upon Some 220 Occupations, for Teachers, Parents, School Leavers, Undergraduates and Employment Officials. London: Macmillan & Cleaver, 1969.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Careers Encyclopedia: A Work of Reference upon Some 220 Occupations, for Teachers, Parents, School Leavers, Undergraduates and Employment Officials. Macmillan & Cleaver, 1969.