Rojas-Valerde, D. (2018). PREDATORY JOURNALS: SCIENTIFIC PIRATES.
Citación estilo ChicagoRojas-Valerde, Daniel. PREDATORY JOURNALS: SCIENTIFIC PIRATES. 2018.
MLA引文Rojas-Valerde, Daniel. PREDATORY JOURNALS: SCIENTIFIC PIRATES. 2018.
警告：這些引文格式不一定是100％准確.