APA(7版)引用形式
Bals, L., & Hartmann, E. (2008). Sourcing of services. Nova Science Publishers.
Chicagoスタイル(17版)引用形式
Bals, Lydia, , Evi Hartmann. Sourcing of Services. New York: Nova Science Publishers, 2008.
MLA(9版)引用形式
Bals, Lydia, , Evi Hartmann. Sourcing of Services. Nova Science Publishers, 2008.
警告: この引用は必ずしも正確ではありません.