looking perfect apa format models

The research topic is SDLC Models. Discuss at least two models – 4 steps, 5 steps, 7 steps or 12 steps. Write three paragraphs showing all three types of the following APA in that,

a)      a book, (b) an electronic periodical (from EBSCOhost), and (c) an abstract – most likely from EBSCOhost.

 

Carefully cite the references as per APA 6th edition manual.

Make sure you use all three types of in-text citation with proper APA formatting explainig the SDLC models.

Cite all the references at the end too.