Gaya APA
Abdussalam, Y. (2007).
The Power Of "Silaturrahmi" :Rahasia Sukses Bermodal Sillaturrahmi .
Yogyakarta:
MEDIA INSANI.
Gaya MLA
Abdussalam, Yusuf.
"The Power Of "Silaturrahmi" :Rahasia Sukses Bermodal Sillaturrahmi".
Yogyakarta:
MEDIA INSANI,
2007.
Text.