Gaya APA
Seifert, L., Stacey, M.
(1998).
roubleshooting for trainers
.
Aldershot:
Gower.
Gaya MLA
Seifert, Lucy., Stacey, Mary.
"roubleshooting for trainers".
Aldershot:
Gower,
1998.
Buku/Printed Material.