APA aipamena

Pierce, G. F. (2001). Spirituality @ workGregory F. A. Pierce. Kanisius.

Chicago Style aipamena

Pierce, Gregory F.A. Spirituality @ WorkGregory F. A. Pierce. Kanisius, 2001.

MLA aipamena

Pierce, Gregory F.A. Spirituality @ WorkGregory F. A. Pierce. Kanisius, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.