(1998). EXPERIMENT WITH THE FREQUENCY (In lần thứ 1.). SystemTechnik: Training in Technology.
استشهاد بنمط شيكاغوEXPERIMENT WITH THE FREQUENCY. In lần thứ 1. SystemTechnik: Training in Technology, 1998.
MLA استشهادEXPERIMENT WITH THE FREQUENCY. In lần thứ 1. SystemTechnik: Training in Technology, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.