Παραπομπή APA

ISI. (1974). Indian standard symbols and notations for correction of illustrations and illustration proofs. Indian standards Institution.

Παραπομπή Chicago Style

ISI. Indian Standard Symbols and Notations for Correction of Illustrations and Illustration Proofs. London: Indian standards Institution, 1974.

Παραπομπή MLA

ISI. Indian Standard Symbols and Notations for Correction of Illustrations and Illustration Proofs. Indian standards Institution, 1974.