Ajero, J. C., Cacayuran, J., & Cruz, R. Perceived tourism impacts in Sagada: Temporal analysis.
芝加哥风格引文Ajero, Jennifer Clare, Jennievie Cacayuran, 与 Reil Cruz. Perceived Tourism Impacts in Sagada: Temporal Analysis.
MLA引文Ajero, Jennifer Clare, et al. Perceived Tourism Impacts in Sagada: Temporal Analysis.
警告：这些引文格式不一定是100％准确.