Point to Point Protocol (PPP) Tutorial. Point-to-Point Protocol (PPP) is an open standard protocol that is mostly used to provide connections over point-to-point serial links. The main purpose of PPP is to transport Layer 3 packets over a Data Link layer point-to-point link.
1 Notice, in the following example, the above citation corresponds with the first word of the source as listed in the Bibliography. . .: McCollister, Betty. ' 2 The Social Necessity of Nurturance.' Humanist. 3  Jan/Feb 2001.
Example 3: Authorâs last name followed by paraphrase (page number). C. In-text citations: Print sources. 1  Print sources include books, scholarly journal articles, newspapers, etc.  To cite print sources in-text, provide a signal word or phrase (usually the authorâs last name) and a page number.