Siegert, L. (2011). Sustainable development approaches in the food and beverage industry: A comparison between nestl©♭ SA and Kraft Foods Inc. Anchor Academic Publishing.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSiegert, Lars. Sustainable Development Approaches in the Food and Beverage Industry: A Comparison Between Nestl©♭ SA and Kraft Foods Inc. Hamburg, Germany: Anchor Academic Publishing, 2011.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSiegert, Lars. Sustainable Development Approaches in the Food and Beverage Industry: A Comparison Between Nestl©♭ SA and Kraft Foods Inc. Anchor Academic Publishing, 2011.
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