Gaya APA
Engemann, Joseph G., Hegner, Robert W.. (1981).
Invertebrate zoology (3rd ed).
New York:
Macmillan.
Gaya Chicago
Engemann, Joseph G., Hegner, Robert W..
Invertebrate zoology.
3rd ed
New York:
Macmillan,
1981.
Text.
Gaya MLA
Engemann, Joseph G., Hegner, Robert W..
Invertebrate zoology.
3rd ed
New York:
Macmillan,
1981.
Text.
Gaya Turabian
Engemann, Joseph G., Hegner, Robert W..
Invertebrate zoology.
3rd ed
New York:
Macmillan,
1981.
Print.