Summer Institute of Linguistics, Dean, J., & Ontic, D. (1955). Gisak: (a translation of the pre-primer Pepe). Summer Institute of Linguistics affiliated with the University of North Dakota in cooperation with the Bureau of Public Schools and the Institute of National Language of the Department of Education.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Summer Institute of Linguistics, James Dean, và Danton Ontic. Gisak: (a Translation of the Pre-primer Pepe). Manila: Summer Institute of Linguistics affiliated with the University of North Dakota in cooperation with the Bureau of Public Schools and the Institute of National Language of the Department of Education, 1955.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Summer Institute of Linguistics, et al. Gisak: (a Translation of the Pre-primer Pepe). Summer Institute of Linguistics affiliated with the University of North Dakota in cooperation with the Bureau of Public Schools and the Institute of National Language of the Department of Education, 1955.