Παραπομπή σε μορφή APA (7η εκδ.)

Mulligen, P. H. v. (2003). Quality aspects in price indices and international comparions: Applications of the hedonic method. Rijksuniversiteit te Groningen.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mulligen, Peter Hein van. Quality Aspects in Price Indices and International Comparions: Applications of the Hedonic Method. Netherlands: Rijksuniversiteit te Groningen, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Mulligen, Peter Hein van. Quality Aspects in Price Indices and International Comparions: Applications of the Hedonic Method. Rijksuniversiteit te Groningen, 2003.