APA استشهاد

Virchow, D. (1999). Conservation of genetic resources: Costs and implications for a sustainable utilization of plant genetic resources for food and agriculture. Springer.

استشهاد بنمط شيكاغو

Virchow, D. Conservation of Genetic Resources: Costs and Implications for a Sustainable Utilization of Plant Genetic Resources for Food and Agriculture. Heidelberg: Springer, 1999.

MLA استشهاد

Virchow, D. Conservation of Genetic Resources: Costs and Implications for a Sustainable Utilization of Plant Genetic Resources for Food and Agriculture. Springer, 1999.