Gusau, A. L. (2017). Attitudinal professionalism and professional competencies as predictors of public relations practitioners’ self-efficacy.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gusau, Ahmed Lawal. Attitudinal Professionalism and Professional Competencies as Predictors of Public Relations Practitioners’ Self-efficacy. 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gusau, Ahmed Lawal. Attitudinal Professionalism and Professional Competencies as Predictors of Public Relations Practitioners’ Self-efficacy. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.