Vassiliou, E., & Hazewinkel, M. Geometry of principal sheaves. Springer Netherlands.
Citazione stile Chigago Style (17a edizione)Vassiliou, Efstathios, e Michiel Hazewinkel. Geometry of Principal Sheaves. Dordrecht: Springer Netherlands.
Citatione MLA (8a ed.)Vassiliou, Efstathios, e Michiel Hazewinkel. Geometry of Principal Sheaves. Springer Netherlands.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.