Escoto, A. D. (1983). Gel permeation chromatography of lignite hydroliquefaction products-an exploratory study. Philippine Engineering Journal.
Citazione stile Chigago Style (17a edizione)Escoto, Angela D. "Gel Permeation Chromatography of Lignite Hydroliquefaction Products-an Exploratory Study." Philippine Engineering Journal 1983.
Citatione MLA (9a ed.)Escoto, Angela D. "Gel Permeation Chromatography of Lignite Hydroliquefaction Products-an Exploratory Study." Philippine Engineering Journal, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.