Παραπομπή APA

Sidharthan R. (2005). Book of inventions. Siso books.

Παραπομπή Chicago Style

Sidharthan R. Book of Inventions. Thiruvananthapuram: Siso books, 2005.

Παραπομπή MLA

Sidharthan R. Book of Inventions. Siso books, 2005.