Παραπομπή APA

Parekh, R. (2000). Advanced indexing and abstracting practices. Ess Ess.

Παραπομπή Chicago Style

Parekh, R.L. Advanced Indexing and Abstracting Practices. New Delhi: Ess Ess, 2000.

Παραπομπή MLA

Parekh, R.L. Advanced Indexing and Abstracting Practices. Ess Ess, 2000.