Anang Yogaswara, Subardja, D., & Kartiwa Djuanda. (1990). Peta satuan lahan dan tanah lembar Nias, Sumatera: Land unit and soil map of the Nias sheet, Sumatra. Bogor: Pusat Penelitian Tanah dan Agroklimat.
Chicago Style CitationAnang Yogaswara, D. Subardja, and Kartiwa Djuanda. Peta Satuan Lahan Dan Tanah Lembar Nias, Sumatera: Land Unit and Soil Map of the Nias Sheet, Sumatra. Bogor: Pusat Penelitian Tanah dan Agroklimat, 1990.
MLA CitationAnang Yogaswara, D. Subardja, and Kartiwa Djuanda. Peta Satuan Lahan Dan Tanah Lembar Nias, Sumatera: Land Unit and Soil Map of the Nias Sheet, Sumatra. Bogor: Pusat Penelitian Tanah dan Agroklimat, 1990.
Warning: These citations may not always be 100% accurate.