Joerdens-Roettger, D. (1987). Seed potato production in the Philippines: In vitro culture and rapid multiplication techniques. TZ-Verlagsgesellschaft.
Chicago Style (17th ed.) CitationJoerdens-Roettger, Dagmar. Seed Potato Production in the Philippines: In Vitro Culture and Rapid Multiplication Techniques. Eschborn: TZ-Verlagsgesellschaft, 1987.
MLA (9th ed.) CitationJoerdens-Roettger, Dagmar. Seed Potato Production in the Philippines: In Vitro Culture and Rapid Multiplication Techniques. TZ-Verlagsgesellschaft, 1987.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.