Παραπομπή σε μορφή APA (7η εκδ.)

Som, O. (2012). Innovation without R&D: Heterogeneous Innovation Patterns of Non-R&D-Performing Firms in the German Manufacturing Industry. Gabler Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Som, Oliver. Innovation Without R&D: Heterogeneous Innovation Patterns of Non-R&D-Performing Firms in the German Manufacturing Industry. Wiesbaden: Gabler Verlag, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Som, Oliver. Innovation Without R&D: Heterogeneous Innovation Patterns of Non-R&D-Performing Firms in the German Manufacturing Industry. Gabler Verlag, 2012.