Παραπομπή APA

Ron Hubbard L. (1997). Clear body clear mind: The effective purification program. Wheeler.

Παραπομπή Chicago Style

Ron Hubbard L. Clear Body Clear Mind: The Effective Purification Program. New Delhi: Wheeler, 1997.

Παραπομπή MLA

Ron Hubbard L. Clear Body Clear Mind: The Effective Purification Program. Wheeler, 1997.