Citation is needed when (choose all that are appropriate):
a. you use your own artwork, photographs, video, audio, etc.
b. you reprint an diagrams, charts, pictures, or other visual materials
c. you use ideas from another author to make arguments in your assignment
d. you use information that is gained through interviews or conversing with another person, face to face, over the phone, or in writing
e. you copy the exact words or a unique phrase
f. you write up your own results obtained through lab or field experiments