Não informado. (1991). Surface coatings international: JOCCA journal of the Oil and Colour Chemists' Association. Oil and Colour Chemists' Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Surface Coatings International: JOCCA Journal of the Oil and Colour Chemists' Association. Wembley, Inglaterra: Oil and Colour Chemists' Association, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Surface Coatings International: JOCCA Journal of the Oil and Colour Chemists' Association. Oil and Colour Chemists' Association, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.