Παραπομπή APA

Stephen harrod Buhner. (2004). Secret teachings of plants. Bear & company.

Παραπομπή Chicago Style

Stephen harrod Buhner. Secret Teachings of Plants. Rochester: Bear & company, 2004.

Παραπομπή MLA

Stephen harrod Buhner. Secret Teachings of Plants. Bear & company, 2004.