APA Style
Jahn,S.A.A. (1981).
Traditional Water Purification in Tropical Developing Countries (Existing Methods and potential Application) (GTZ) .
Germany:
German Agency for Technical Cooperation, Ltd (GTZ).
Chicago Style
Jahn,S.A.A.
Traditional Water Purification in Tropical Developing Countries (Existing Methods and potential Application) (GTZ).
Germany:
German Agency for Technical Cooperation, Ltd (GTZ),
1981.
.
MLA Style
Jahn,S.A.A.
Traditional Water Purification in Tropical Developing Countries (Existing Methods and potential Application) (GTZ).
Germany:
German Agency for Technical Cooperation, Ltd (GTZ),
1981.
.
Turabian Style
Jahn,S.A.A.
Traditional Water Purification in Tropical Developing Countries (Existing Methods and potential Application) (GTZ).
Germany:
German Agency for Technical Cooperation, Ltd (GTZ),
1981.
.