Gaya APA
500 tips for further and continuing education lectures. (1998).
London:
Kogan Page Ltd..
Gaya Chicago
500 tips for further and continuing education lectures.
.
London:
Kogan Page Ltd.,
1998.
Buku.
Gaya MLA
500 tips for further and continuing education lectures.
.
London:
Kogan Page Ltd.,
1998.
Buku.
Gaya Turabian
500 tips for further and continuing education lectures.
London:
Kogan Page Ltd.,
1998.
Buku.