Sibarani, R., Nababan, M., Wahyudi, W., Simatupang, D. E., & Octavianna, Y. Speech performance in language teaching-learning: Culturally textual and non-textual landscapes of Toba Caldera Geosites. Universitas Syiah Kuala.
Chicago Style (17th ed.) CitationSibarani, Robert, Mangatur Nababan, Wahyudi Wahyudi, Defri Elias Simatupang, and Yessy Octavianna. Speech Performance in Language Teaching-learning: Culturally Textual and Non-textual Landscapes of Toba Caldera Geosites. Universitas Syiah Kuala.
MLA (9th ed.) CitationSibarani, Robert, et al. Speech Performance in Language Teaching-learning: Culturally Textual and Non-textual Landscapes of Toba Caldera Geosites. Universitas Syiah Kuala.
Warning: These citations may not always be 100% accurate.