Παραπομπή σε μορφή APA (7η εκδ.)

Retter, H. (1999). Postmodernity - What about Toys?: Symposium "postmodernity", 2. International Toy Research Conference, Halmstad University, Sweden, June 14-19 1999.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Retter, Hein. Postmodernity - What About Toys?: Symposium "Postmodernity", 2. International Toy Research Conference, Halmstad University, Sweden, June 14-19 1999. Braunschweig?, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Retter, Hein. Postmodernity - What About Toys?: Symposium "Postmodernity", 2. International Toy Research Conference, Halmstad University, Sweden, June 14-19 1999. 1999.