de Navarro, J.M.: Prehistoric Routes between Northern Europe and Italy Defined by the Amber Trade. The Geographical Journal, 1925, 66. vsk, nro 6, s. 481–503. Lontoo, Englanti: The Royal Geographical Society. doi:10.2307/1783003. JSTOR. Viitattu 19.5.2018. (englanniksi)
Mörner, Nils-Axel & Lind, Bob G.: Long-Distance Travel and Trading in the Bronze Age: The East Mediterranean-Scandinavia Case. Archaeological Discovery, 2015, nro 3, s. 129–139. doi:10.4236/ad.2015.34012. ISSN 2331-1959. Artikkelin verkkoversio (PDF). Viitattu 17.5.2018. (englanniksi)
de Navarro, J.M.: Prehistoric Routes between Northern Europe and Italy Defined by the Amber Trade. The Geographical Journal, 1925, 66. vsk, nro 6, s. 481–503. Lontoo, Englanti: The Royal Geographical Society. doi:10.2307/1783003. JSTOR. Viitattu 19.5.2018. (englanniksi)
Mörner, Nils-Axel & Lind, Bob G.: Long-Distance Travel and Trading in the Bronze Age: The East Mediterranean-Scandinavia Case. Archaeological Discovery, 2015, nro 3, s. 129–139. doi:10.4236/ad.2015.34012. ISSN 2331-1959. Artikkelin verkkoversio (PDF). Viitattu 17.5.2018. (englanniksi)
Mörner, Nils-Axel & Lind, Bob G.: Long-Distance Travel and Trading in the Bronze Age: The East Mediterranean-Scandinavia Case. Archaeological Discovery, 2015, nro 3, s. 129–139. doi:10.4236/ad.2015.34012. ISSN 2331-1959. Artikkelin verkkoversio (PDF). Viitattu 17.5.2018. (englanniksi)