APA-referens (7:e uppl.)

Jacobson, S. (2001). Fertilization to increase and sustain tree growth in coniferous stands in Sweden. Swedish University of Agricultural Sciences.

Chicago-referens (17:e uppl.)

Jacobson, Staffan. Fertilization to Increase and Sustain Tree Growth in Coniferous Stands in Sweden. Uppsala: Swedish University of Agricultural Sciences, 2001.

MLA-referens (8:e uppl.)

Jacobson, Staffan. Fertilization to Increase and Sustain Tree Growth in Coniferous Stands in Sweden. Swedish University of Agricultural Sciences, 2001.