Etan Bloom (2011). Arthur Ruppin and the Production of Pre-Israeli Culture. Studies in Jewish History and Culture (31). Leiden: Brill. стр. 206. ISBN978-90-04-20379-2. Приступљено 9. 1. 2016. „As the number of members in the first Degania increased, they decided to divide the group and its lands into two groups and established Degania B. Later they established a third group, Degania C (degania gimel), which later became Kibbutz Beit Zera (meaning in Hebrew: the house of seed/semen). (Footnote 247, pp. 206)”CS1 одржавање: Формат датума (веза)
