Ploëg, G. d. (2004). The French ambers: A general conspectus and the Lowermost Eocene amber deposit of Le Quesnoy in the Paris Basin. Universitat de Barcelona.
Chicago Style (17th ed.) CitationPloëg, G. de. The French Ambers: A General Conspectus and the Lowermost Eocene Amber Deposit of Le Quesnoy in the Paris Basin. Universitat de Barcelona, 2004.
MLA (9th ed.) CitationPloëg, G. de. The French Ambers: A General Conspectus and the Lowermost Eocene Amber Deposit of Le Quesnoy in the Paris Basin. Universitat de Barcelona, 2004.
Warning: These citations may not always be 100% accurate.