Joerdens-Roettger, D. (1987). Seed potato production in the Philippines: In vitro culture and rapid multiplication techniques. TZ-Verlagsgesellschaft.
Citazione stile Chigago Style (17a edizione)Joerdens-Roettger, Dagmar. Seed Potato Production in the Philippines: In Vitro Culture and Rapid Multiplication Techniques. Eschborn: TZ-Verlagsgesellschaft, 1987.
Citatione MLA (9a ed.)Joerdens-Roettger, Dagmar. Seed Potato Production in the Philippines: In Vitro Culture and Rapid Multiplication Techniques. TZ-Verlagsgesellschaft, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.