Gaya APA
Mu`awwidl, A.
(1980).
Muhammad Iqbal Hayatihi wa atsarihi
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Kairo:
Al Hai`ah Al Mishriyah Al Ammah.
Gaya MLA
Mu`awwidl, Ahmad.
"Muhammad Iqbal Hayatihi wa atsarihi".
Kairo:
Al Hai`ah Al Mishriyah Al Ammah,
1980.
Buku.