National Academy of Science and Technology, Philippines. (2006). Maximizing the quality of life of the elderly through better health. National Academy of Science and Technology, Philippines, Department of Science and Technology.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Academy of Science and Technology, Philippines. Maximizing the Quality of Life of the Elderly Through Better Health. Taguig City, Metro Manila: National Academy of Science and Technology, Philippines, Department of Science and Technology, 2006.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Academy of Science and Technology, Philippines. Maximizing the Quality of Life of the Elderly Through Better Health. National Academy of Science and Technology, Philippines, Department of Science and Technology, 2006.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.