Oliver, W., & Oliver, E. (2013). Families: Reaching across. Adventist Family Ministries.
Citazione stile Chigago Style (17a edizione)Oliver, Willie, e Elaine Oliver. Families: Reaching Across. Lincoln, NE: Adventist Family Ministries, 2013.
Citatione MLA (9a ed.)Oliver, Willie, e Elaine Oliver. Families: Reaching Across. Adventist Family Ministries, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.