University of the Philippines (Los Banos), Collge of Agriculture. Dept. of Agricultural Chemistry, University of the Philippines (Los Banos). College of Agriculture, & Department of Agricultural Chemistry. General laboratory exercises.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)University of the Philippines (Los Banos), Collge of Agriculture. Dept. of Agricultural Chemistry, University of the Philippines (Los Banos). College of Agriculture, và Department of Agricultural Chemistry. General Laboratory Exercises.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)University of the Philippines (Los Banos), Collge of Agriculture. Dept. of Agricultural Chemistry, et al. General Laboratory Exercises.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.