APA引文

Piskurich, G. M. (1993). Self-directed learning: A practical guide to design, development, and implementation. Jossey-Bass.

Chicago Style (17th ed.) Citation

Piskurich, George M. Self-directed Learning: A Practical Guide to Design, Development, and Implementation. San Francisco, CA: Jossey-Bass, 1993.

MLA引文

Piskurich, George M. Self-directed Learning: A Practical Guide to Design, Development, and Implementation. Jossey-Bass, 1993.