Gaya APA
al., E. et al (s.a.).
English Reading Skills For History Major Purposes 1 .
Purwokerto:
Fakultas Sastra Inggris UMP.
Gaya MLA
al., Et. et al.
"English Reading Skills For History Major Purposes 1".
Purwokerto:
Fakultas Sastra Inggris UMP,
s.a..
Text.