Penggayaan APA
ALEXANDER, LG. (1972).
Developing skills .
London:
Logman group limited.
Chicago Style
ALEXANDER, LG.
Developing skills.
London:
Logman group limited,
1972.
Buku.
MLA Style
ALEXANDER, LG.
Developing skills.
London:
Logman group limited,
1972.
Buku.
Turabian Style
ALEXANDER, LG.
Developing skills.
London:
Logman group limited,
1972.
Buku.