International Bible Students Association. (1950). Esto significa vida eterna (1a. ed.). WatchtowerBible and Tract Society.
Chicago-viite (17. p.)International Bible Students Association. Esto Significa Vida Eterna. 1a. ed. Brookline: WatchtowerBible and Tract Society, 1950.
MLA-viite (9. p.)International Bible Students Association. Esto Significa Vida Eterna. 1a. ed. WatchtowerBible and Tract Society, 1950.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.