Penggayaan APA
GLENN, John. (1964).
Letters to John Glenn : .
Texas:
World Book Encyclopedia Science Service,$.
Chicago Style
GLENN, John.
Letters to John Glenn :.
Texas:
World Book Encyclopedia Science Service,$,
1964.
Buku.
MLA Style
GLENN, John.
Letters to John Glenn :.
Texas:
World Book Encyclopedia Science Service,$,
1964.
Buku.
Turabian Style
GLENN, John.
Letters to John Glenn :.
Texas:
World Book Encyclopedia Science Service,$,
1964.
Buku.