Jalkanen, R. (1995). Needle trace method (NTM) for retrospective needle retention studies on scots pine (Pinus sylvestris L.). Oulun yliopisto.
Chicago Style (17th ed.) CitationJalkanen, Risto. Needle Trace Method (NTM) for Retrospective Needle Retention Studies on Scots Pine (Pinus Sylvestris L.). Oulu: Oulun yliopisto, 1995.
MLA (8th ed.) CitationJalkanen, Risto. Needle Trace Method (NTM) for Retrospective Needle Retention Studies on Scots Pine (Pinus Sylvestris L.). Oulun yliopisto, 1995.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.