APA (7th ed.) Citation

Papua New Guinea. Curriculum Unit, Papua New Guinea. Dept. of Education, Henry, D., & Kinavai, G. (1987). Questioning skills: An in-service handbook for all teachers. Dept. of Education.

Chicago Style (17th ed.) Citation

Papua New Guinea. Curriculum Unit, Papua New Guinea. Dept. of Education, David Henry, and George Kinavai. Questioning Skills: An In-service Handbook for All Teachers. [Port Moresby]: Dept. of Education, 1987.

MLA (9th ed.) Citation

Papua New Guinea. Curriculum Unit, et al. Questioning Skills: An In-service Handbook for All Teachers. Dept. of Education, 1987.