Preßler, E. (2006). Tree-ring width of Pinus sylvestris from historical object sample 5907B/05A, Netherlands, Groningen. PANGAEA.
Citazione stile Chigago Style (17a edizione)Preßler, Erhard. Tree-ring Width of Pinus Sylvestris from Historical Object Sample 5907B/05A, Netherlands, Groningen. PANGAEA, 2006.
Citatione MLA (9a ed.)Preßler, Erhard. Tree-ring Width of Pinus Sylvestris from Historical Object Sample 5907B/05A, Netherlands, Groningen. PANGAEA, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.