Surat na di Toru
c Ida ma Encyclopædia Britannica, 2003, entri “Cross”; The Cross—Its History and Symbolism, halaman 40; dohot The Companion Bible, Oxford University Press, apendiks 162, halaman 186.
c Ida ma Encyclopædia Britannica, 2003, entri “Cross”; The Cross—Its History and Symbolism, halaman 40; dohot The Companion Bible, Oxford University Press, apendiks 162, halaman 186.