APA (7 वां संस्करण) प्रशस्ति पत्र
Kenya Institute of Education. (1989). Integrated English: A course for Kenya secondary schools students book four. Jomo Kenyatta Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Kenya Institute of Education. Integrated English: A Course for Kenya Secondary Schools Students Book Four. Jomo Kenyatta Foundation, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Kenya Institute of Education. Integrated English: A Course for Kenya Secondary Schools Students Book Four. Jomo Kenyatta Foundation, 1989.
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