APA

Soil Diagnosis and Amelioration Committee, . (2013). The Philippines Recommends for Soil Diagnosis and Amelioration. Quezon City: Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development (PCAARRD) - Department of Science and Technology.

Chicago

Soil Diagnosis and Amelioration Committee, . 2013. The Philippines Recommends for Soil Diagnosis and Amelioration. Quezon City: Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development (PCAARRD) - Department of Science and Technology.

Harvard

Soil Diagnosis and Amelioration Committee, . (2013). The Philippines Recommends for Soil Diagnosis and Amelioration. Quezon City: Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development (PCAARRD) - Department of Science and Technology.

MLA

Soil Diagnosis and Amelioration Committee, . The Philippines Recommends for Soil Diagnosis and Amelioration. Quezon City: Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development (PCAARRD) - Department of Science and Technology. 2013.