Παραπομπή APA

Pierce, W. I. (1983). Plain talks on materia medica with comparisons. World homoeopathic Links,.

Παραπομπή Chicago Style

Pierce, Willard Ide. Plain Talks on Materia Medica with Comparisons. New Delhi: World homoeopathic Links,, 1983.

Παραπομπή MLA

Pierce, Willard Ide. Plain Talks on Materia Medica with Comparisons. World homoeopathic Links,, 1983.