Παραπομπή APA

Sharma H D. (1971). An introduction to chain indexing. Clive Bingley.

Παραπομπή Chicago Style

Sharma H D. An Introduction to Chain Indexing. London: Clive Bingley, 1971.

Παραπομπή MLA

Sharma H D. An Introduction to Chain Indexing. Clive Bingley, 1971.