Gaya APA
Crockett, James Underwood. (1972).
Perennials .
Virginia:
Time Life Books.
Gaya Chicago
Crockett, James Underwood.
Perennials.
Virginia:
Time Life Books,
1972.
Text.
Gaya MLA
Crockett, James Underwood.
Perennials.
Virginia:
Time Life Books,
1972.
Text.
Gaya Turabian
Crockett, James Underwood.
Perennials.
Virginia:
Time Life Books,
1972.
Print.