Παραπομπή APA

R K Sharma. (2017). How to speak and write correctly. Swastik Publishers.

Παραπομπή Chicago Style

R K Sharma. How to Speak and Write Correctly. Newdelhi: Swastik Publishers, 2017.

Παραπομπή MLA

R K Sharma. How to Speak and Write Correctly. Swastik Publishers, 2017.