توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Lucas, C. (1979). Preservation of roofs. Australian Council of National Trusts with the assistance of the Commonwealth Government National Estate Program.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Lucas, Clive. Preservation of Roofs. Sydney: Australian Council of National Trusts with the assistance of the Commonwealth Government National Estate Program, 1979.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Lucas, Clive. Preservation of Roofs. Australian Council of National Trusts with the assistance of the Commonwealth Government National Estate Program, 1979.