Ackermann, E. C., & Hartman, K. Searching and researching on the Internet and the World Wide Web (3rd ed.). Wilsonville, Or.: Franklin, Beedle & Associates.
Trích dẫn kiểu ChicagoAckermann, Ernest C., và Karen Hartman. Searching and Researching On the Internet and the World Wide Web. 3rd ed. Wilsonville, Or.: Franklin, Beedle & Associates.
Deismireacht MLAAckermann, Ernest C., và Karen Hartman. Searching and Researching On the Internet and the World Wide Web. 3rd ed. Wilsonville, Or.: Franklin, Beedle & Associates.
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