Siddiqi, S. A. (1980). Role of migratory farm labour in agricultural production in Sind Province of Pakistan: Final report. Dept. of Agricultural Economics & Rural Sociology, Sind Agriculture University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siddiqi, Sharif Ahmed. Role of Migratory Farm Labour in Agricultural Production in Sind Province of Pakistan: Final Report. Tando Jam [Pakistan]: Dept. of Agricultural Economics & Rural Sociology, Sind Agriculture University, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siddiqi, Sharif Ahmed. Role of Migratory Farm Labour in Agricultural Production in Sind Province of Pakistan: Final Report. Dept. of Agricultural Economics & Rural Sociology, Sind Agriculture University, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.