John Ben Shepperd Journal of Practical Leadership. John Ben Shepperd Public Leadership Institute.
Citazione stile Chigago Style (17a edizione)John Ben Shepperd Journal of Practical Leadership. John Ben Shepperd Public Leadership Institute.
Citatione MLA (9a ed.)John Ben Shepperd Journal of Practical Leadership. John Ben Shepperd Public Leadership Institute.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.