Gaya APA
Teaching and researching motivation. (2001).
London:
Pearson Education.
Gaya Chicago
Teaching and researching motivation.
1st..
London:
Pearson Education,
2001.
Buku.
Gaya MLA
Teaching and researching motivation.
1st..
London:
Pearson Education,
2001.
Buku.
Gaya Turabian
Teaching and researching motivation.
London:
Pearson Education,
2001.
Buku.