Acknowledge other's work
Give credit where credit is due.
By properly citing the sources you use in your writings, you are both identifying the resources that you used to complete your work and you are formally acknowledging the authors or creators of those resources.
You may wish to read the handbook on plagiarism for more details.
Your Science and Engineering Faculties Librarian
5/F, Main Library, University of Hong Kong,
Pokfulam Road, Hong Kong.
Phone: (852) 2219-4748