APA (7e ed.) Bronvermelding

Mariǫ Martn̕ez Jorge Eličer, Mojica Amaya Angľica, & Universidad Pedagg̤ica y Tecnolg̤ica de Colombia - UPTC. Relation Between Coal Petrography and Gas Content in the Amag ̀Formation (Antioquia, Colombia).

Chicago (17e ed.) Bronvermelding

Mariǫ Martn̕ez Jorge Eličer, Mojica Amaya Angľica, en Universidad Pedagg̤ica y Tecnolg̤ica de Colombia - UPTC. Relation Between Coal Petrography and Gas Content in the Amag ̀Formation (Antioquia, Colombia).

MLA (9e ed.) Bronvermelding

Mariǫ Martn̕ez Jorge Eličer, et al. Relation Between Coal Petrography and Gas Content in the Amag ̀Formation (Antioquia, Colombia).