Παραπομπή σε μορφή APA (7η εκδ.)

Johansson, G. (2001). Environmental performance requirements in product development: An exploratory study of two development projects. Dept. of Mechanical Engineering, Linköpings universitet.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johansson, Glenn. Environmental Performance Requirements in Product Development: An Exploratory Study of Two Development Projects. Linköping: Dept. of Mechanical Engineering, Linköpings universitet, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Johansson, Glenn. Environmental Performance Requirements in Product Development: An Exploratory Study of Two Development Projects. Dept. of Mechanical Engineering, Linköpings universitet, 2001.