Gaya APA

Mercieca, E, , (. (2009). Centres of spirituality retreat houses: Directory 2009. Review of Ignatian spirituality 121. . Rome: Rome Consilium Ignatianae Spiritualitatis.

Gaya MLA

Mercieca, Edward, , (eds.). "Centres of spirituality retreat houses: Directory 2009. Review of Ignatian spirituality 121. ". Rome: Rome Consilium Ignatianae Spiritualitatis, 2009. Buku.