Gaya APA
Maulana, Y., Hidayat, I.
(2018).
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Yogyakarta :
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Gaya MLA
Maulana, Yusuf., Hidayat, Irin.
"Buya Hamka: Ulama Umat Teladan Rakyat.--".
Yogyakarta :
Pro-U Media,
2018.
Buku.