Costello, A. (1977). How to pray when troubled: From His cross to yours. Liquori Publications.
Čikaški stil citiranja (17. izdanje)Costello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori, Mo.: Liquori Publications, 1977.
MLA način citiranja (8. izdanje)Costello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori Publications, 1977.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.