Indian Standards Institution. (1970). Indian Standard: Specification for Rosin (Gum Rosin ). Indian Standards Institution.
استشهاد بنمط شيكاغوIndian Standards Institution. Indian Standard: Specification for Rosin (Gum Rosin ). N.Delhi: Indian Standards Institution, 1970.
MLA استشهادIndian Standards Institution. Indian Standard: Specification for Rosin (Gum Rosin ). Indian Standards Institution, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.