Small Industry Research Institute. (1989). Directory of pulp, paper, paper products and speciality papers (Directory of pulp paper and paper products) (2nd rev. ed.). Small Industry Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Small Industry Research Institute. Directory of Pulp, Paper, Paper Products and Speciality Papers (Directory of Pulp Paper and Paper Products). 2nd rev. ed. Delhi: Small Industry Research Institute, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Small Industry Research Institute. Directory of Pulp, Paper, Paper Products and Speciality Papers (Directory of Pulp Paper and Paper Products). 2nd rev. ed. Small Industry Research Institute, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.