Wirth-Berger Associates. (1973). Appendices to the proposal to assess the impacts of the Bay Area Rapid Transit System on the environment. The Associates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wirth-Berger Associates. Appendices to the Proposal to Assess the Impacts of the Bay Area Rapid Transit System on the Environment. Denver, Colo.: The Associates, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wirth-Berger Associates. Appendices to the Proposal to Assess the Impacts of the Bay Area Rapid Transit System on the Environment. The Associates, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.