Luna, R., De Villa, N., & Clemente, W. L. (1990). A Study on the manufacture and printing of t-shirts. UP College of Engineering.
Citazione stile Chigago Style (17a edizione)Luna, Roderick, Norman De Villa, e Warren Lu Clemente. A Study on the Manufacture and Printing of T-shirts. Quezon City: UP College of Engineering, 1990.
Citatione MLA (9a ed.)Luna, Roderick, et al. A Study on the Manufacture and Printing of T-shirts. UP College of Engineering, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.