Gaya APA
Muhammad Yusuf,S.Pd. (2017).
OLIMPIADE SAINS NASIONAL (OSN) MATEMATIKA SMP/MTS .
Yogyakarta:
Laksana.
Gaya Chicago
Muhammad Yusuf,S.Pd.
OLIMPIADE SAINS NASIONAL (OSN) MATEMATIKA SMP/MTS.
Yogyakarta:
Laksana,
2017.
Text.
Gaya MLA
Muhammad Yusuf,S.Pd.
OLIMPIADE SAINS NASIONAL (OSN) MATEMATIKA SMP/MTS.
Yogyakarta:
Laksana,
2017.
Text.
Gaya Turabian
Muhammad Yusuf,S.Pd.
OLIMPIADE SAINS NASIONAL (OSN) MATEMATIKA SMP/MTS.
Yogyakarta:
Laksana,
2017.
Print.