Research the importance of the timing of the recognition of revenue using at least  six sources, at least  two of which should be peer-reviewed articles and at least  two of which should be reports from the following accounting resources: ●  Accounting Principle Board Opinions ●  Technical Bulletins ●  Position Statements of Financial Accounting ●  Accounting Research Bulletins ●  Emerging Issues Task Force (EITF) minutes ●  American Institute of CPAs: AICPA.org ●  Financial Accounting Standards Board: FASB.org ●  International Financial Reporting Standards: IFRS.org ●  International Accounting Standards Board: ISAB.org ●  Securities and Exchange Commission: SEC.org ●  KPMG International: KPMG.com ●  PwC: PWC.com  Provide a reference list in APA format for all the sources you used in part A and any other references you used in the task, including at least six sources, at least  two of which are peer-reviewed articles and at least  two of which are reports from the given accounting resources.