APA-referens (7:e uppl.)

Chopra, S., & Karla, D. V. (2019). Supply Chain Management: Strategy, Planning and Operation (7th.). Pearson India Education Services Pvt. Ltd.

Chicago-referens (17:e uppl.)

Chopra, Sunil, och Dharam Vir Karla. Supply Chain Management: Strategy, Planning and Operation. 7th. Noida: Pearson India Education Services Pvt. Ltd, 2019.

MLA-referens (9:e uppl.)

Chopra, Sunil, och Dharam Vir Karla. Supply Chain Management: Strategy, Planning and Operation. 7th. Pearson India Education Services Pvt. Ltd, 2019.