Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Aiking, H., Boer, J. d., & Vereijken, J. (2006). Sustainable Protein Production and Consumption: Pigs or Peas? Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Harry Aiking, Joop de Boer, και Johan Vereijken. Sustainable Protein Production and Consumption: Pigs or Peas? Dordrecht: Springer Netherlands, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Sustainable Protein Production and Consumption: Pigs or Peas? Springer Netherlands, 2006.