Lal & Ashok Yadav. (2017). Air force, airmen selection test: Group X ( technical ) trades. Upkar Prakasan.
استشهاد بنمط شيكاغوLal و Ashok Yadav. Air Force, Airmen Selection Test: Group X ( Technical ) Trades. Agra: Upkar Prakasan, 2017.
MLA استشهادLal و Ashok Yadav. Air Force, Airmen Selection Test: Group X ( Technical ) Trades. Upkar Prakasan, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.