APA Style

́ıguez, T, , �, F, E. (2019). Sustainable Directions in Tourism . : MDPI • Basel • Beijing • Wuhan • Barcelona • Belgrade.

MLA Style

́ıguez, Tom, , ́as, F., Espino-Rodr. "Sustainable Directions in Tourism". : MDPI • Basel • Beijing • Wuhan • Barcelona • Belgrade, 2019. Text.