Gaya APA
MACMILLAN, . et al
(1993).
WAVE ENERGY
.
New York:
Macmillan/Mc Graw Hill School Publishing Company.
Gaya MLA
MACMILLAN, . et al.
"WAVE ENERGY".
New York:
Macmillan/Mc Graw Hill School Publishing Company,
1993.
Text.