The correct answer is the last option.
To credit a source means to ACKNOWLEDGE WHERE YOU FOUND A SOURCE. In order to avoid plagiarism, the writer has to cite the sources where he found information, being the most common citation formats APA or MLA. The citation style to use will depend on the topic to discuss in the paper.
Answer:
C?
Explanation: I don't have a public library so I don't exactly understand this.
Answer:
Haven't I?
Explanation:
The statement has Have as auxillary verb and the statement is positive. So, while making the tag question negative form is used.
