Ibrahim al-Nakha'i (may Allah have mercy on him) said: "If a marriage is conducted based on the testimony of women, then punishment should be carried out upon them, and for marriage there must be at least a preacher and two witnesses."
Hadith Referenceسنن سعید بن منصور / كتاب النكاح / 1722
Hadith Takhrij«أخرجه سعيد بن منصور فى «سننه» ترقيم الدرالسلفية برقم:، 544، 545، وعبد الرزاق فى «مصنفه» برقم: 10489»